Home / 3,940,348.92-5,435,613.86-3,206,123.04

Finding the Fourth Proportional to 3,940,348.92, 5,435,613.86 and 3,206,123.04

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Solution

The fourth proportional to 3,940,348.92, 5,435,613.86 and 3,206,123.04 is: 4,422,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,348.92 : 5,435,613.86 = 3,206,123.04 : x
  2. Step 2: Convert to fraction form
    3,940,348.92/5,435,613.86 = 3,206,123.04/x
  3. Step 3: Cross multiply
    3,940,348.92x = 5,435,613.86 × 3,206,123.04
  4. Step 4: Simplify right side
    3,940,348.92x = 17,427,246,833,089.34
  5. Step 5: Solve for x
    x = 17,427,246,833,089.34/3,940,348.92
  6. Step 6: Final answer
    x = 4,422,767.42

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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.