Home / 2,171,182.32-3,256,781.80-908,123.92

Finding the Fourth Proportional to 2,171,182.32, 3,256,781.80 and 908,123.92

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Solution

The fourth proportional to 2,171,182.32, 3,256,781.80 and 908,123.92 is: 1,362,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,182.32 : 3,256,781.80 = 908,123.92 : x
  2. Step 2: Convert to fraction form
    2,171,182.32/3,256,781.80 = 908,123.92/x
  3. Step 3: Cross multiply
    2,171,182.32x = 3,256,781.80 × 908,123.92
  4. Step 4: Simplify right side
    2,171,182.32x = 2,957,561,454,800.66
  5. Step 5: Solve for x
    x = 2,957,561,454,800.66/2,171,182.32
  6. Step 6: Final answer
    x = 1,362,189.36

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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.