Home / 3,857,796.90-5,324,085.63-2,139,471

Finding the Fourth Proportional to 3,857,796.90, 5,324,085.63 and 2,139,471

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Solution

The fourth proportional to 3,857,796.90, 5,324,085.63 and 2,139,471 is: 2,952,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,796.90 : 5,324,085.63 = 2,139,471 : x
  2. Step 2: Convert to fraction form
    3,857,796.90/5,324,085.63 = 2,139,471/x
  3. Step 3: Cross multiply
    3,857,796.90x = 5,324,085.63 × 2,139,471
  4. Step 4: Simplify right side
    3,857,796.90x = 11,390,726,806,901.73
  5. Step 5: Solve for x
    x = 11,390,726,806,901.73/3,857,796.90
  6. Step 6: Final answer
    x = 2,952,650.72

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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.