Home / 3,885,687.92-5,363,726.40-2,921,617.76

Finding the Fourth Proportional to 3,885,687.92, 5,363,726.40 and 2,921,617.76

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Solution

The fourth proportional to 3,885,687.92, 5,363,726.40 and 2,921,617.76 is: 4,032,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,687.92 : 5,363,726.40 = 2,921,617.76 : x
  2. Step 2: Convert to fraction form
    3,885,687.92/5,363,726.40 = 2,921,617.76/x
  3. Step 3: Cross multiply
    3,885,687.92x = 5,363,726.40 × 2,921,617.76
  4. Step 4: Simplify right side
    3,885,687.92x = 15,670,758,310,020.86
  5. Step 5: Solve for x
    x = 15,670,758,310,020.86/3,885,687.92
  6. Step 6: Final answer
    x = 4,032,943.11

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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.