Home / 5,679,861.39-8,513,481.35-4,327,565.78

Finding the Fourth Proportional to 5,679,861.39, 8,513,481.35 and 4,327,565.78

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Solution

The fourth proportional to 5,679,861.39, 8,513,481.35 and 4,327,565.78 is: 6,486,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,861.39 : 8,513,481.35 = 4,327,565.78 : x
  2. Step 2: Convert to fraction form
    5,679,861.39/8,513,481.35 = 4,327,565.78/x
  3. Step 3: Cross multiply
    5,679,861.39x = 8,513,481.35 × 4,327,565.78
  4. Step 4: Simplify right side
    5,679,861.39x = 36,842,650,591,030.81
  5. Step 5: Solve for x
    x = 36,842,650,591,030.81/5,679,861.39
  6. Step 6: Final answer
    x = 6,486,540.44

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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.