Home / 3,943,731.78-5,442,349.86-2,132,895.78

Finding the Fourth Proportional to 3,943,731.78, 5,442,349.86 and 2,132,895.78

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Solution

The fourth proportional to 3,943,731.78, 5,442,349.86 and 2,132,895.78 is: 2,943,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,731.78 : 5,442,349.86 = 2,132,895.78 : x
  2. Step 2: Convert to fraction form
    3,943,731.78/5,442,349.86 = 2,132,895.78/x
  3. Step 3: Cross multiply
    3,943,731.78x = 5,442,349.86 × 2,132,895.78
  4. Step 4: Simplify right side
    3,943,731.78x = 11,607,965,049,677.59
  5. Step 5: Solve for x
    x = 11,607,965,049,677.59/3,943,731.78
  6. Step 6: Final answer
    x = 2,943,396.18

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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.