Home / 5,481,046.62-8,217,833.10-2,780,163.78

Finding the Fourth Proportional to 5,481,046.62, 8,217,833.10 and 2,780,163.78

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Solution

The fourth proportional to 5,481,046.62, 8,217,833.10 and 2,780,163.78 is: 4,168,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,046.62 : 8,217,833.10 = 2,780,163.78 : x
  2. Step 2: Convert to fraction form
    5,481,046.62/8,217,833.10 = 2,780,163.78/x
  3. Step 3: Cross multiply
    5,481,046.62x = 8,217,833.10 × 2,780,163.78
  4. Step 4: Simplify right side
    5,481,046.62x = 22,846,921,934,705.12
  5. Step 5: Solve for x
    x = 22,846,921,934,705.12/5,481,046.62
  6. Step 6: Final answer
    x = 4,168,350.23

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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.