Home / 6,221,588.60-9,332,382.90-3,198,279.80

Finding the Fourth Proportional to 6,221,588.60, 9,332,382.90 and 3,198,279.80

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Solution

The fourth proportional to 6,221,588.60, 9,332,382.90 and 3,198,279.80 is: 4,797,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,588.60 : 9,332,382.90 = 3,198,279.80 : x
  2. Step 2: Convert to fraction form
    6,221,588.60/9,332,382.90 = 3,198,279.80/x
  3. Step 3: Cross multiply
    6,221,588.60x = 9,332,382.90 × 3,198,279.80
  4. Step 4: Simplify right side
    6,221,588.60x = 29,847,571,714,935.42
  5. Step 5: Solve for x
    x = 29,847,571,714,935.42/6,221,588.60
  6. Step 6: Final answer
    x = 4,797,419.70

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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.