Home / 5,430,691.31-8,149,400.69-3,157,285.57

Finding the Fourth Proportional to 5,430,691.31, 8,149,400.69 and 3,157,285.57

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Solution

The fourth proportional to 5,430,691.31, 8,149,400.69 and 3,157,285.57 is: 4,737,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,691.31 : 8,149,400.69 = 3,157,285.57 : x
  2. Step 2: Convert to fraction form
    5,430,691.31/8,149,400.69 = 3,157,285.57/x
  3. Step 3: Cross multiply
    5,430,691.31x = 8,149,400.69 × 3,157,285.57
  4. Step 4: Simplify right side
    5,430,691.31x = 25,729,985,166,525.11
  5. Step 5: Solve for x
    x = 25,729,985,166,525.11/5,430,691.31
  6. Step 6: Final answer
    x = 4,737,883.95

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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.