Home / 5,168,101.17-7,131,979.71-2,876,803.14

Finding the Fourth Proportional to 5,168,101.17, 7,131,979.71 and 2,876,803.14

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Solution

The fourth proportional to 5,168,101.17, 7,131,979.71 and 2,876,803.14 is: 3,969,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,101.17 : 7,131,979.71 = 2,876,803.14 : x
  2. Step 2: Convert to fraction form
    5,168,101.17/7,131,979.71 = 2,876,803.14/x
  3. Step 3: Cross multiply
    5,168,101.17x = 7,131,979.71 × 2,876,803.14
  4. Step 4: Simplify right side
    5,168,101.17x = 20,517,301,624,144.29
  5. Step 5: Solve for x
    x = 20,517,301,624,144.29/5,168,101.17
  6. Step 6: Final answer
    x = 3,969,988.39

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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.