Home / 6,320,213.92-8,721,833.11-3,419,541.15

Finding the Fourth Proportional to 6,320,213.92, 8,721,833.11 and 3,419,541.15

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Solution

The fourth proportional to 6,320,213.92, 8,721,833.11 and 3,419,541.15 is: 4,718,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,213.92 : 8,721,833.11 = 3,419,541.15 : x
  2. Step 2: Convert to fraction form
    6,320,213.92/8,721,833.11 = 3,419,541.15/x
  3. Step 3: Cross multiply
    6,320,213.92x = 8,721,833.11 × 3,419,541.15
  4. Step 4: Simplify right side
    6,320,213.92x = 29,824,667,223,077.47
  5. Step 5: Solve for x
    x = 29,824,667,223,077.47/6,320,213.92
  6. Step 6: Final answer
    x = 4,718,933.19

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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.