Home / 2,107,184.76-3,160,456.32-687,238.56

Finding the Fourth Proportional to 2,107,184.76, 3,160,456.32 and 687,238.56

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Solution

The fourth proportional to 2,107,184.76, 3,160,456.32 and 687,238.56 is: 1,030,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,184.76 : 3,160,456.32 = 687,238.56 : x
  2. Step 2: Convert to fraction form
    2,107,184.76/3,160,456.32 = 687,238.56/x
  3. Step 3: Cross multiply
    2,107,184.76x = 3,160,456.32 × 687,238.56
  4. Step 4: Simplify right side
    2,107,184.76x = 2,171,987,450,299.70
  5. Step 5: Solve for x
    x = 2,171,987,450,299.70/2,107,184.76
  6. Step 6: Final answer
    x = 1,030,753.21

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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.