Home / 4,428,305.40-6,642,458.10-3,868,433.40

Finding the Fourth Proportional to 4,428,305.40, 6,642,458.10 and 3,868,433.40

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Solution

The fourth proportional to 4,428,305.40, 6,642,458.10 and 3,868,433.40 is: 5,802,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,305.40 : 6,642,458.10 = 3,868,433.40 : x
  2. Step 2: Convert to fraction form
    4,428,305.40/6,642,458.10 = 3,868,433.40/x
  3. Step 3: Cross multiply
    4,428,305.40x = 6,642,458.10 × 3,868,433.40
  4. Step 4: Simplify right side
    4,428,305.40x = 25,695,906,772,140.54
  5. Step 5: Solve for x
    x = 25,695,906,772,140.54/4,428,305.40
  6. Step 6: Final answer
    x = 5,802,650.10

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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.