Home / 2,147,691.28-3,220,856.22-727,415.22

Finding the Fourth Proportional to 2,147,691.28, 3,220,856.22 and 727,415.22

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Solution

The fourth proportional to 2,147,691.28, 3,220,856.22 and 727,415.22 is: 1,090,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,691.28 : 3,220,856.22 = 727,415.22 : x
  2. Step 2: Convert to fraction form
    2,147,691.28/3,220,856.22 = 727,415.22/x
  3. Step 3: Cross multiply
    2,147,691.28x = 3,220,856.22 × 727,415.22
  4. Step 4: Simplify right side
    2,147,691.28x = 2,342,899,835,859.67
  5. Step 5: Solve for x
    x = 2,342,899,835,859.67/2,147,691.28
  6. Step 6: Final answer
    x = 1,090,892.28

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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.