Home / 3,921,891.28-5,410,531.13-2,449,243.18

Finding the Fourth Proportional to 3,921,891.28, 5,410,531.13 and 2,449,243.18

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Solution

The fourth proportional to 3,921,891.28, 5,410,531.13 and 2,449,243.18 is: 3,378,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,891.28 : 5,410,531.13 = 2,449,243.18 : x
  2. Step 2: Convert to fraction form
    3,921,891.28/5,410,531.13 = 2,449,243.18/x
  3. Step 3: Cross multiply
    3,921,891.28x = 5,410,531.13 × 2,449,243.18
  4. Step 4: Simplify right side
    3,921,891.28x = 13,251,706,480,064.26
  5. Step 5: Solve for x
    x = 13,251,706,480,064.26/3,921,891.28
  6. Step 6: Final answer
    x = 3,378,907.15

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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.