Home / 2,135,115.20-3,203,839.20-873,070.40

Finding the Fourth Proportional to 2,135,115.20, 3,203,839.20 and 873,070.40

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Solution

The fourth proportional to 2,135,115.20, 3,203,839.20 and 873,070.40 is: 1,310,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,115.20 : 3,203,839.20 = 873,070.40 : x
  2. Step 2: Convert to fraction form
    2,135,115.20/3,203,839.20 = 873,070.40/x
  3. Step 3: Cross multiply
    2,135,115.20x = 3,203,839.20 × 873,070.40
  4. Step 4: Simplify right side
    2,135,115.20x = 2,797,177,171,879.68
  5. Step 5: Solve for x
    x = 2,797,177,171,879.68/2,135,115.20
  6. Step 6: Final answer
    x = 1,310,082.55

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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.