Home / 5,168,107.92-7,131,989.03-2,876,809.89

Finding the Fourth Proportional to 5,168,107.92, 7,131,989.03 and 2,876,809.89

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Solution

The fourth proportional to 5,168,107.92, 7,131,989.03 and 2,876,809.89 is: 3,969,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,107.92 : 7,131,989.03 = 2,876,809.89 : x
  2. Step 2: Convert to fraction form
    5,168,107.92/7,131,989.03 = 2,876,809.89/x
  3. Step 3: Cross multiply
    5,168,107.92x = 7,131,989.03 × 2,876,809.89
  4. Step 4: Simplify right side
    5,168,107.92x = 20,517,376,562,491.46
  5. Step 5: Solve for x
    x = 20,517,376,562,491.46/5,168,107.92
  6. Step 6: Final answer
    x = 3,969,997.70

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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.