Home / 6,861,951.78-9,469,463.12-3,921,719.82

Finding the Fourth Proportional to 6,861,951.78, 9,469,463.12 and 3,921,719.82

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Solution

The fourth proportional to 6,861,951.78, 9,469,463.12 and 3,921,719.82 is: 5,411,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861,951.78 : 9,469,463.12 = 3,921,719.82 : x
  2. Step 2: Convert to fraction form
    6,861,951.78/9,469,463.12 = 3,921,719.82/x
  3. Step 3: Cross multiply
    6,861,951.78x = 9,469,463.12 × 3,921,719.82
  4. Step 4: Simplify right side
    6,861,951.78x = 37,136,581,202,463.03
  5. Step 5: Solve for x
    x = 37,136,581,202,463.03/6,861,951.78
  6. Step 6: Final answer
    x = 5,411,956.01

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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.