Home / 6,221,587.60-9,332,381.40-3,198,278.80

Finding the Fourth Proportional to 6,221,587.60, 9,332,381.40 and 3,198,278.80

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Solution

The fourth proportional to 6,221,587.60, 9,332,381.40 and 3,198,278.80 is: 4,797,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,587.60 : 9,332,381.40 = 3,198,278.80 : x
  2. Step 2: Convert to fraction form
    6,221,587.60/9,332,381.40 = 3,198,278.80/x
  3. Step 3: Cross multiply
    6,221,587.60x = 9,332,381.40 × 3,198,278.80
  4. Step 4: Simplify right side
    6,221,587.60x = 29,847,557,585,134.32
  5. Step 5: Solve for x
    x = 29,847,557,585,134.32/6,221,587.60
  6. Step 6: Final answer
    x = 4,797,418.20

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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.