Home / 5,122,471.74-7,069,112.38-2,799,508.12

Finding the Fourth Proportional to 5,122,471.74, 7,069,112.38 and 2,799,508.12

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Solution

The fourth proportional to 5,122,471.74, 7,069,112.38 and 2,799,508.12 is: 3,863,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,471.74 : 7,069,112.38 = 2,799,508.12 : x
  2. Step 2: Convert to fraction form
    5,122,471.74/7,069,112.38 = 2,799,508.12/x
  3. Step 3: Cross multiply
    5,122,471.74x = 7,069,112.38 × 2,799,508.12
  4. Step 4: Simplify right side
    5,122,471.74x = 19,790,037,509,002.53
  5. Step 5: Solve for x
    x = 19,790,037,509,002.53/5,122,471.74
  6. Step 6: Final answer
    x = 3,863,376.61

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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.