Home / 2,215,586.25-3,323,380.39-699,422.78

Finding the Fourth Proportional to 2,215,586.25, 3,323,380.39 and 699,422.78

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Solution

The fourth proportional to 2,215,586.25, 3,323,380.39 and 699,422.78 is: 1,049,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,586.25 : 3,323,380.39 = 699,422.78 : x
  2. Step 2: Convert to fraction form
    2,215,586.25/3,323,380.39 = 699,422.78/x
  3. Step 3: Cross multiply
    2,215,586.25x = 3,323,380.39 × 699,422.78
  4. Step 4: Simplify right side
    2,215,586.25x = 2,324,447,957,931.18
  5. Step 5: Solve for x
    x = 2,324,447,957,931.18/2,215,586.25
  6. Step 6: Final answer
    x = 1,049,134.49

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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.