Home / 3,680,310.79-5,521,065.45-1,086,877.90

Finding the Fourth Proportional to 3,680,310.79, 5,521,065.45 and 1,086,877.90

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Solution

The fourth proportional to 3,680,310.79, 5,521,065.45 and 1,086,877.90 is: 1,630,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,310.79 : 5,521,065.45 = 1,086,877.90 : x
  2. Step 2: Convert to fraction form
    3,680,310.79/5,521,065.45 = 1,086,877.90/x
  3. Step 3: Cross multiply
    3,680,310.79x = 5,521,065.45 × 1,086,877.90
  4. Step 4: Simplify right side
    3,680,310.79x = 6,000,724,022,058.56
  5. Step 5: Solve for x
    x = 6,000,724,022,058.56/3,680,310.79
  6. Step 6: Final answer
    x = 1,630,493.83

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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.