Home / 5,168,097.42-7,131,974.54-2,876,799.39

Finding the Fourth Proportional to 5,168,097.42, 7,131,974.54 and 2,876,799.39

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Solution

The fourth proportional to 5,168,097.42, 7,131,974.54 and 2,876,799.39 is: 3,969,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,097.42 : 7,131,974.54 = 2,876,799.39 : x
  2. Step 2: Convert to fraction form
    5,168,097.42/7,131,974.54 = 2,876,799.39/x
  3. Step 3: Cross multiply
    5,168,097.42x = 7,131,974.54 × 2,876,799.39
  4. Step 4: Simplify right side
    5,168,097.42x = 20,517,259,991,783.54
  5. Step 5: Solve for x
    x = 20,517,259,991,783.54/5,168,097.42
  6. Step 6: Final answer
    x = 3,969,983.21

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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.