Home / 2,615,071.92-3,922,314.12-722,082.48

Finding the Fourth Proportional to 2,615,071.92, 3,922,314.12 and 722,082.48

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Solution

The fourth proportional to 2,615,071.92, 3,922,314.12 and 722,082.48 is: 1,083,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,071.92 : 3,922,314.12 = 722,082.48 : x
  2. Step 2: Convert to fraction form
    2,615,071.92/3,922,314.12 = 722,082.48/x
  3. Step 3: Cross multiply
    2,615,071.92x = 3,922,314.12 × 722,082.48
  4. Step 4: Simplify right side
    2,615,071.92x = 2,832,234,307,108.62
  5. Step 5: Solve for x
    x = 2,832,234,307,108.62/2,615,071.92
  6. Step 6: Final answer
    x = 1,083,042.61

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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.