Home / 3,940,781.22-5,438,166.66-2,198,502

Finding the Fourth Proportional to 3,940,781.22, 5,438,166.66 and 2,198,502

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Solution

The fourth proportional to 3,940,781.22, 5,438,166.66 and 2,198,502 is: 3,033,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,781.22 : 5,438,166.66 = 2,198,502 : x
  2. Step 2: Convert to fraction form
    3,940,781.22/5,438,166.66 = 2,198,502/x
  3. Step 3: Cross multiply
    3,940,781.22x = 5,438,166.66 × 2,198,502
  4. Step 4: Simplify right side
    3,940,781.22x = 11,955,820,278,343.32
  5. Step 5: Solve for x
    x = 11,955,820,278,343.32/3,940,781.22
  6. Step 6: Final answer
    x = 3,033,870.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.