Home / 3,940,299.90-5,915,115.45-3,912,306.30

Finding the Fourth Proportional to 3,940,299.90, 5,915,115.45 and 3,912,306.30

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Solution

The fourth proportional to 3,940,299.90, 5,915,115.45 and 3,912,306.30 is: 5,873,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,299.90 : 5,915,115.45 = 3,912,306.30 : x
  2. Step 2: Convert to fraction form
    3,940,299.90/5,915,115.45 = 3,912,306.30/x
  3. Step 3: Cross multiply
    3,940,299.90x = 5,915,115.45 × 3,912,306.30
  4. Step 4: Simplify right side
    3,940,299.90x = 23,141,743,440,262.34
  5. Step 5: Solve for x
    x = 23,141,743,440,262.34/3,940,299.90
  6. Step 6: Final answer
    x = 5,873,091.90

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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.