Home / 2,218,493.80-3,327,740.70-2,131,402.60

Finding the Fourth Proportional to 2,218,493.80, 3,327,740.70 and 2,131,402.60

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Solution

The fourth proportional to 2,218,493.80, 3,327,740.70 and 2,131,402.60 is: 3,197,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,493.80 : 3,327,740.70 = 2,131,402.60 : x
  2. Step 2: Convert to fraction form
    2,218,493.80/3,327,740.70 = 2,131,402.60/x
  3. Step 3: Cross multiply
    2,218,493.80x = 3,327,740.70 × 2,131,402.60
  4. Step 4: Simplify right side
    2,218,493.80x = 7,092,755,180,105.82
  5. Step 5: Solve for x
    x = 7,092,755,180,105.82/2,218,493.80
  6. Step 6: Final answer
    x = 3,197,103.90

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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.