Home / 2,588,768.31-3,883,713.01-991,331.47

Finding the Fourth Proportional to 2,588,768.31, 3,883,713.01 and 991,331.47

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Solution

The fourth proportional to 2,588,768.31, 3,883,713.01 and 991,331.47 is: 1,487,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,768.31 : 3,883,713.01 = 991,331.47 : x
  2. Step 2: Convert to fraction form
    2,588,768.31/3,883,713.01 = 991,331.47/x
  3. Step 3: Cross multiply
    2,588,768.31x = 3,883,713.01 × 991,331.47
  4. Step 4: Simplify right side
    2,588,768.31x = 3,850,046,929,637.74
  5. Step 5: Solve for x
    x = 3,850,046,929,637.74/2,588,768.31
  6. Step 6: Final answer
    x = 1,487,211.86

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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.