Home / 3,753,171.73-5,179,321.02-2,121,521.95

Finding the Fourth Proportional to 3,753,171.73, 5,179,321.02 and 2,121,521.95

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Solution

The fourth proportional to 3,753,171.73, 5,179,321.02 and 2,121,521.95 is: 2,927,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,171.73 : 5,179,321.02 = 2,121,521.95 : x
  2. Step 2: Convert to fraction form
    3,753,171.73/5,179,321.02 = 2,121,521.95/x
  3. Step 3: Cross multiply
    3,753,171.73x = 5,179,321.02 × 2,121,521.95
  4. Step 4: Simplify right side
    3,753,171.73x = 10,988,043,230,026.39
  5. Step 5: Solve for x
    x = 10,988,043,230,026.39/3,753,171.73
  6. Step 6: Final answer
    x = 2,927,668.65

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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.