Home / 2,087,344.20-3,131,016.30-667,446.60

Finding the Fourth Proportional to 2,087,344.20, 3,131,016.30 and 667,446.60

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Solution

The fourth proportional to 2,087,344.20, 3,131,016.30 and 667,446.60 is: 1,001,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,344.20 : 3,131,016.30 = 667,446.60 : x
  2. Step 2: Convert to fraction form
    2,087,344.20/3,131,016.30 = 667,446.60/x
  3. Step 3: Cross multiply
    2,087,344.20x = 3,131,016.30 × 667,446.60
  4. Step 4: Simplify right side
    2,087,344.20x = 2,089,786,183,979.58
  5. Step 5: Solve for x
    x = 2,089,786,183,979.58/2,087,344.20
  6. Step 6: Final answer
    x = 1,001,169.90

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Double scale
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Similar ratio
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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.