Home / 6,491,028.87-9,720,940.03-3,712,876.64

Finding the Fourth Proportional to 6,491,028.87, 9,720,940.03 and 3,712,876.64

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Solution

The fourth proportional to 6,491,028.87, 9,720,940.03 and 3,712,876.64 is: 5,560,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,028.87 : 9,720,940.03 = 3,712,876.64 : x
  2. Step 2: Convert to fraction form
    6,491,028.87/9,720,940.03 = 3,712,876.64/x
  3. Step 3: Cross multiply
    6,491,028.87x = 9,720,940.03 × 3,712,876.64
  4. Step 4: Simplify right side
    6,491,028.87x = 36,092,651,107,623.20
  5. Step 5: Solve for x
    x = 36,092,651,107,623.20/6,491,028.87
  6. Step 6: Final answer
    x = 5,560,389.86

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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.