Home / 5,987,680.20-8,979,770.70-2,149,057.80

Finding the Fourth Proportional to 5,987,680.20, 8,979,770.70 and 2,149,057.80

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Solution

The fourth proportional to 5,987,680.20, 8,979,770.70 and 2,149,057.80 is: 3,222,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,680.20 : 8,979,770.70 = 2,149,057.80 : x
  2. Step 2: Convert to fraction form
    5,987,680.20/8,979,770.70 = 2,149,057.80/x
  3. Step 3: Cross multiply
    5,987,680.20x = 8,979,770.70 × 2,149,057.80
  4. Step 4: Simplify right side
    5,987,680.20x = 19,298,046,265,046.46
  5. Step 5: Solve for x
    x = 19,298,046,265,046.46/5,987,680.20
  6. Step 6: Final answer
    x = 3,222,958.75

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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.