Home / 3,725,071.88-5,139,443.89-2,175,215.55

Finding the Fourth Proportional to 3,725,071.88, 5,139,443.89 and 2,175,215.55

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Solution

The fourth proportional to 3,725,071.88, 5,139,443.89 and 2,175,215.55 is: 3,001,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725,071.88 : 5,139,443.89 = 2,175,215.55 : x
  2. Step 2: Convert to fraction form
    3,725,071.88/5,139,443.89 = 2,175,215.55/x
  3. Step 3: Cross multiply
    3,725,071.88x = 5,139,443.89 × 2,175,215.55
  4. Step 4: Simplify right side
    3,725,071.88x = 11,179,398,251,326.60
  5. Step 5: Solve for x
    x = 11,179,398,251,326.60/3,725,071.88
  6. Step 6: Final answer
    x = 3,001,122.83

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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.