Home / 4,115,728.92-5,679,246.33-2,279,731.71

Finding the Fourth Proportional to 4,115,728.92, 5,679,246.33 and 2,279,731.71

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Solution

The fourth proportional to 4,115,728.92, 5,679,246.33 and 2,279,731.71 is: 3,145,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,728.92 : 5,679,246.33 = 2,279,731.71 : x
  2. Step 2: Convert to fraction form
    4,115,728.92/5,679,246.33 = 2,279,731.71/x
  3. Step 3: Cross multiply
    4,115,728.92x = 5,679,246.33 × 2,279,731.71
  4. Step 4: Simplify right side
    4,115,728.92x = 12,947,157,947,402.12
  5. Step 5: Solve for x
    x = 12,947,157,947,402.12/4,115,728.92
  6. Step 6: Final answer
    x = 3,145,775.20

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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.