Home / 5,168,091-7,131,965.58-2,876,792.97

Finding the Fourth Proportional to 5,168,091, 7,131,965.58 and 2,876,792.97

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Solution

The fourth proportional to 5,168,091, 7,131,965.58 and 2,876,792.97 is: 3,969,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,091 : 7,131,965.58 = 2,876,792.97 : x
  2. Step 2: Convert to fraction form
    5,168,091/7,131,965.58 = 2,876,792.97/x
  3. Step 3: Cross multiply
    5,168,091x = 7,131,965.58 × 2,876,792.97
  4. Step 4: Simplify right side
    5,168,091x = 20,517,188,442,825.97
  5. Step 5: Solve for x
    x = 20,517,188,442,825.97/5,168,091
  6. Step 6: Final answer
    x = 3,969,974.30

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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.