Home / 2,081,490.12-3,123,416.28-820,203.48

Finding the Fourth Proportional to 2,081,490.12, 3,123,416.28 and 820,203.48

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Solution

The fourth proportional to 2,081,490.12, 3,123,416.28 and 820,203.48 is: 1,230,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,490.12 : 3,123,416.28 = 820,203.48 : x
  2. Step 2: Convert to fraction form
    2,081,490.12/3,123,416.28 = 820,203.48/x
  3. Step 3: Cross multiply
    2,081,490.12x = 3,123,416.28 × 820,203.48
  4. Step 4: Simplify right side
    2,081,490.12x = 2,561,836,902,344.65
  5. Step 5: Solve for x
    x = 2,561,836,902,344.65/2,081,490.12
  6. Step 6: Final answer
    x = 1,230,770.63

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Double scale
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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.