Home / 2,187,566.10-3,279,793.95-839,207.70

Finding the Fourth Proportional to 2,187,566.10, 3,279,793.95 and 839,207.70

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Solution

The fourth proportional to 2,187,566.10, 3,279,793.95 and 839,207.70 is: 1,258,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,566.10 : 3,279,793.95 = 839,207.70 : x
  2. Step 2: Convert to fraction form
    2,187,566.10/3,279,793.95 = 839,207.70/x
  3. Step 3: Cross multiply
    2,187,566.10x = 3,279,793.95 × 839,207.70
  4. Step 4: Simplify right side
    2,187,566.10x = 2,752,428,337,253.42
  5. Step 5: Solve for x
    x = 2,752,428,337,253.42/2,187,566.10
  6. Step 6: Final answer
    x = 1,258,214.93

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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.