Home / 5,168,086.48-7,131,959.38-2,876,788.46

Finding the Fourth Proportional to 5,168,086.48, 7,131,959.38 and 2,876,788.46

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Solution

The fourth proportional to 5,168,086.48, 7,131,959.38 and 2,876,788.46 is: 3,969,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,086.48 : 7,131,959.38 = 2,876,788.46 : x
  2. Step 2: Convert to fraction form
    5,168,086.48/7,131,959.38 = 2,876,788.46/x
  3. Step 3: Cross multiply
    5,168,086.48x = 7,131,959.38 × 2,876,788.46
  4. Step 4: Simplify right side
    5,168,086.48x = 20,517,138,441,572.75
  5. Step 5: Solve for x
    x = 20,517,138,441,572.75/5,168,086.48
  6. Step 6: Final answer
    x = 3,969,968.10

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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.