Home / 3,554,857.60-5,332,286.40-2,279,399.20

Finding the Fourth Proportional to 3,554,857.60, 5,332,286.40 and 2,279,399.20

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Solution

The fourth proportional to 3,554,857.60, 5,332,286.40 and 2,279,399.20 is: 3,419,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554,857.60 : 5,332,286.40 = 2,279,399.20 : x
  2. Step 2: Convert to fraction form
    3,554,857.60/5,332,286.40 = 2,279,399.20/x
  3. Step 3: Cross multiply
    3,554,857.60x = 5,332,286.40 × 2,279,399.20
  4. Step 4: Simplify right side
    3,554,857.60x = 12,154,409,354,330.88
  5. Step 5: Solve for x
    x = 12,154,409,354,330.88/3,554,857.60
  6. Step 6: Final answer
    x = 3,419,098.80

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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.