Home / 2,179,390.80-3,269,086.20-683,480.40

Finding the Fourth Proportional to 2,179,390.80, 3,269,086.20 and 683,480.40

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Solution

The fourth proportional to 2,179,390.80, 3,269,086.20 and 683,480.40 is: 1,025,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,390.80 : 3,269,086.20 = 683,480.40 : x
  2. Step 2: Convert to fraction form
    2,179,390.80/3,269,086.20 = 683,480.40/x
  3. Step 3: Cross multiply
    2,179,390.80x = 3,269,086.20 × 683,480.40
  4. Step 4: Simplify right side
    2,179,390.80x = 2,234,356,343,610.48
  5. Step 5: Solve for x
    x = 2,234,356,343,610.48/2,179,390.80
  6. Step 6: Final answer
    x = 1,025,220.60

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Similar ratio
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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.