Home / 2,069,832.28-3,105,143.10-722,379.76

Finding the Fourth Proportional to 2,069,832.28, 3,105,143.10 and 722,379.76

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Solution

The fourth proportional to 2,069,832.28, 3,105,143.10 and 722,379.76 is: 1,083,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,832.28 : 3,105,143.10 = 722,379.76 : x
  2. Step 2: Convert to fraction form
    2,069,832.28/3,105,143.10 = 722,379.76/x
  3. Step 3: Cross multiply
    2,069,832.28x = 3,105,143.10 × 722,379.76
  4. Step 4: Simplify right side
    2,069,832.28x = 2,243,092,527,343.66
  5. Step 5: Solve for x
    x = 2,243,092,527,343.66/2,069,832.28
  6. Step 6: Final answer
    x = 1,083,707.38

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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.