Home / 2,098,129.80-3,147,194.70-679,204.20

Finding the Fourth Proportional to 2,098,129.80, 3,147,194.70 and 679,204.20

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Solution

The fourth proportional to 2,098,129.80, 3,147,194.70 and 679,204.20 is: 1,018,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,129.80 : 3,147,194.70 = 679,204.20 : x
  2. Step 2: Convert to fraction form
    2,098,129.80/3,147,194.70 = 679,204.20/x
  3. Step 3: Cross multiply
    2,098,129.80x = 3,147,194.70 × 679,204.20
  4. Step 4: Simplify right side
    2,098,129.80x = 2,137,587,858,457.74
  5. Step 5: Solve for x
    x = 2,137,587,858,457.74/2,098,129.80
  6. Step 6: Final answer
    x = 1,018,806.30

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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.