Home / 2,098,010.80-3,147,016.20-679,085.20

Finding the Fourth Proportional to 2,098,010.80, 3,147,016.20 and 679,085.20

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Solution

The fourth proportional to 2,098,010.80, 3,147,016.20 and 679,085.20 is: 1,018,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,010.80 : 3,147,016.20 = 679,085.20 : x
  2. Step 2: Convert to fraction form
    2,098,010.80/3,147,016.20 = 679,085.20/x
  3. Step 3: Cross multiply
    2,098,010.80x = 3,147,016.20 × 679,085.20
  4. Step 4: Simplify right side
    2,098,010.80x = 2,137,092,125,580.24
  5. Step 5: Solve for x
    x = 2,137,092,125,580.24/2,098,010.80
  6. Step 6: Final answer
    x = 1,018,627.80

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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.