Home / 3,943,987.09-5,900,414.86-2,987,198.89

Finding the Fourth Proportional to 3,943,987.09, 5,900,414.86 and 2,987,198.89

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Solution

The fourth proportional to 3,943,987.09, 5,900,414.86 and 2,987,198.89 is: 4,469,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,987.09 : 5,900,414.86 = 2,987,198.89 : x
  2. Step 2: Convert to fraction form
    3,943,987.09/5,900,414.86 = 2,987,198.89/x
  3. Step 3: Cross multiply
    3,943,987.09x = 5,900,414.86 × 2,987,198.89
  4. Step 4: Simplify right side
    3,943,987.09x = 17,625,712,675,893.44
  5. Step 5: Solve for x
    x = 17,625,712,675,893.44/3,943,987.09
  6. Step 6: Final answer
    x = 4,469,008.72

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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.