Home / 5,115,732.82-7,059,878.38-2,792,749.20

Finding the Fourth Proportional to 5,115,732.82, 7,059,878.38 and 2,792,749.20

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Solution

The fourth proportional to 5,115,732.82, 7,059,878.38 and 2,792,749.20 is: 3,854,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,732.82 : 7,059,878.38 = 2,792,749.20 : x
  2. Step 2: Convert to fraction form
    5,115,732.82/7,059,878.38 = 2,792,749.20/x
  3. Step 3: Cross multiply
    5,115,732.82x = 7,059,878.38 × 2,792,749.20
  4. Step 4: Simplify right side
    5,115,732.82x = 19,716,469,690,860.43
  5. Step 5: Solve for x
    x = 19,716,469,690,860.43/5,115,732.82
  6. Step 6: Final answer
    x = 3,854,085.11

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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.