Home / 3,524,139.90-5,286,209.85-2,171,917.80

Finding the Fourth Proportional to 3,524,139.90, 5,286,209.85 and 2,171,917.80

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Solution

The fourth proportional to 3,524,139.90, 5,286,209.85 and 2,171,917.80 is: 3,257,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524,139.90 : 5,286,209.85 = 2,171,917.80 : x
  2. Step 2: Convert to fraction form
    3,524,139.90/5,286,209.85 = 2,171,917.80/x
  3. Step 3: Cross multiply
    3,524,139.90x = 5,286,209.85 × 2,171,917.80
  4. Step 4: Simplify right side
    3,524,139.90x = 11,481,213,267,750.33
  5. Step 5: Solve for x
    x = 11,481,213,267,750.33/3,524,139.90
  6. Step 6: Final answer
    x = 3,257,876.70

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Double scale
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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.