Home / 5,433,891.90-8,157,960.45-3,644,780.10

Finding the Fourth Proportional to 5,433,891.90, 8,157,960.45 and 3,644,780.10

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Solution

The fourth proportional to 5,433,891.90, 8,157,960.45 and 3,644,780.10 is: 5,471,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,891.90 : 8,157,960.45 = 3,644,780.10 : x
  2. Step 2: Convert to fraction form
    5,433,891.90/8,157,960.45 = 3,644,780.10/x
  3. Step 3: Cross multiply
    5,433,891.90x = 8,157,960.45 × 3,644,780.10
  4. Step 4: Simplify right side
    5,433,891.90x = 29,733,971,904,747.05
  5. Step 5: Solve for x
    x = 29,733,971,904,747.05/5,433,891.90
  6. Step 6: Final answer
    x = 5,471,947.63

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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.