Home / 2,489,589.20-3,734,383.80-2,221,900.40

Finding the Fourth Proportional to 2,489,589.20, 3,734,383.80 and 2,221,900.40

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Solution

The fourth proportional to 2,489,589.20, 3,734,383.80 and 2,221,900.40 is: 3,332,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,589.20 : 3,734,383.80 = 2,221,900.40 : x
  2. Step 2: Convert to fraction form
    2,489,589.20/3,734,383.80 = 2,221,900.40/x
  3. Step 3: Cross multiply
    2,489,589.20x = 3,734,383.80 × 2,221,900.40
  4. Step 4: Simplify right side
    2,489,589.20x = 8,297,428,858,973.52
  5. Step 5: Solve for x
    x = 8,297,428,858,973.52/2,489,589.20
  6. Step 6: Final answer
    x = 3,332,850.60

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Similar ratio
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1.5x scale

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.