Home / 2,192,787.67-3,289,407.07-827,711.20

Finding the Fourth Proportional to 2,192,787.67, 3,289,407.07 and 827,711.20

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Solution

The fourth proportional to 2,192,787.67, 3,289,407.07 and 827,711.20 is: 1,241,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,787.67 : 3,289,407.07 = 827,711.20 : x
  2. Step 2: Convert to fraction form
    2,192,787.67/3,289,407.07 = 827,711.20/x
  3. Step 3: Cross multiply
    2,192,787.67x = 3,289,407.07 × 827,711.20
  4. Step 4: Simplify right side
    2,192,787.67x = 2,722,679,073,198.18
  5. Step 5: Solve for x
    x = 2,722,679,073,198.18/2,192,787.67
  6. Step 6: Final answer
    x = 1,241,651.94

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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.