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Finding the Fourth Proportional to 2,652,463.83, 3,979,472.13 and 855,311.16

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Solution

The fourth proportional to 2,652,463.83, 3,979,472.13 and 855,311.16 is: 1,283,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,463.83 : 3,979,472.13 = 855,311.16 : x
  2. Step 2: Convert to fraction form
    2,652,463.83/3,979,472.13 = 855,311.16/x
  3. Step 3: Cross multiply
    2,652,463.83x = 3,979,472.13 × 855,311.16
  4. Step 4: Simplify right side
    2,652,463.83x = 3,403,686,923,697.97
  5. Step 5: Solve for x
    x = 3,403,686,923,697.97/2,652,463.83
  6. Step 6: Final answer
    x = 1,283,217.09

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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.