Home / 3,639,095.10-5,458,642.65-2,221,919.10

Finding the Fourth Proportional to 3,639,095.10, 5,458,642.65 and 2,221,919.10

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Solution

The fourth proportional to 3,639,095.10, 5,458,642.65 and 2,221,919.10 is: 3,332,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,095.10 : 5,458,642.65 = 2,221,919.10 : x
  2. Step 2: Convert to fraction form
    3,639,095.10/5,458,642.65 = 2,221,919.10/x
  3. Step 3: Cross multiply
    3,639,095.10x = 5,458,642.65 × 2,221,919.10
  4. Step 4: Simplify right side
    3,639,095.10x = 12,128,662,364,109.62
  5. Step 5: Solve for x
    x = 12,128,662,364,109.62/3,639,095.10
  6. Step 6: Final answer
    x = 3,332,878.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.