Home / 6,747,898.40-10,121,839.49-2,198,940.02

Finding the Fourth Proportional to 6,747,898.40, 10,121,839.49 and 2,198,940.02

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Solution

The fourth proportional to 6,747,898.40, 10,121,839.49 and 2,198,940.02 is: 3,298,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747,898.40 : 10,121,839.49 = 2,198,940.02 : x
  2. Step 2: Convert to fraction form
    6,747,898.40/10,121,839.49 = 2,198,940.02/x
  3. Step 3: Cross multiply
    6,747,898.40x = 10,121,839.49 × 2,198,940.02
  4. Step 4: Simplify right side
    6,747,898.40x = 22,257,317,930,577.39
  5. Step 5: Solve for x
    x = 22,257,317,930,577.39/6,747,898.40
  6. Step 6: Final answer
    x = 3,298,407.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.