Home / 2,156,689.24-3,234,917.22-660,785.56

Finding the Fourth Proportional to 2,156,689.24, 3,234,917.22 and 660,785.56

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Solution

The fourth proportional to 2,156,689.24, 3,234,917.22 and 660,785.56 is: 991,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,689.24 : 3,234,917.22 = 660,785.56 : x
  2. Step 2: Convert to fraction form
    2,156,689.24/3,234,917.22 = 660,785.56/x
  3. Step 3: Cross multiply
    2,156,689.24x = 3,234,917.22 × 660,785.56
  4. Step 4: Simplify right side
    2,156,689.24x = 2,137,586,586,771.34
  5. Step 5: Solve for x
    x = 2,137,586,586,771.34/2,156,689.24
  6. Step 6: Final answer
    x = 991,142.60

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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.