Home / 5,375,142.31-7,417,706.68-2,927,745.78

Finding the Fourth Proportional to 5,375,142.31, 7,417,706.68 and 2,927,745.78

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Solution

The fourth proportional to 5,375,142.31, 7,417,706.68 and 2,927,745.78 is: 4,040,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,142.31 : 7,417,706.68 = 2,927,745.78 : x
  2. Step 2: Convert to fraction form
    5,375,142.31/7,417,706.68 = 2,927,745.78/x
  3. Step 3: Cross multiply
    5,375,142.31x = 7,417,706.68 × 2,927,745.78
  4. Step 4: Simplify right side
    5,375,142.31x = 21,717,159,451,609.27
  5. Step 5: Solve for x
    x = 21,717,159,451,609.27/5,375,142.31
  6. Step 6: Final answer
    x = 4,040,294.79

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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.