Home / 3,866,218.42-5,335,233.87-2,147,449.18

Finding the Fourth Proportional to 3,866,218.42, 5,335,233.87 and 2,147,449.18

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Solution

The fourth proportional to 3,866,218.42, 5,335,233.87 and 2,147,449.18 is: 2,963,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,218.42 : 5,335,233.87 = 2,147,449.18 : x
  2. Step 2: Convert to fraction form
    3,866,218.42/5,335,233.87 = 2,147,449.18/x
  3. Step 3: Cross multiply
    3,866,218.42x = 5,335,233.87 × 2,147,449.18
  4. Step 4: Simplify right side
    3,866,218.42x = 11,457,143,599,239.73
  5. Step 5: Solve for x
    x = 11,457,143,599,239.73/3,866,218.42
  6. Step 6: Final answer
    x = 2,963,397.91

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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.