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Finding the Fourth Proportional to 2,573,593.92, 3,860,983.92 and 890,697.42

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Solution

The fourth proportional to 2,573,593.92, 3,860,983.92 and 890,697.42 is: 1,336,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573,593.92 : 3,860,983.92 = 890,697.42 : x
  2. Step 2: Convert to fraction form
    2,573,593.92/3,860,983.92 = 890,697.42/x
  3. Step 3: Cross multiply
    2,573,593.92x = 3,860,983.92 × 890,697.42
  4. Step 4: Simplify right side
    2,573,593.92x = 3,438,968,416,205.49
  5. Step 5: Solve for x
    x = 3,438,968,416,205.49/2,573,593.92
  6. Step 6: Final answer
    x = 1,336,251.38

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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.