Home / 3,628,221.78-5,006,983.59-2,079,449.85

Finding the Fourth Proportional to 3,628,221.78, 5,006,983.59 and 2,079,449.85

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Solution

The fourth proportional to 3,628,221.78, 5,006,983.59 and 2,079,449.85 is: 2,869,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628,221.78 : 5,006,983.59 = 2,079,449.85 : x
  2. Step 2: Convert to fraction form
    3,628,221.78/5,006,983.59 = 2,079,449.85/x
  3. Step 3: Cross multiply
    3,628,221.78x = 5,006,983.59 × 2,079,449.85
  4. Step 4: Simplify right side
    3,628,221.78x = 10,411,771,275,177.96
  5. Step 5: Solve for x
    x = 10,411,771,275,177.96/3,628,221.78
  6. Step 6: Final answer
    x = 2,869,662.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.