Home / 2,100,673.73-3,149,141.19-820,990.19

Finding the Fourth Proportional to 2,100,673.73, 3,149,141.19 and 820,990.19

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Solution

The fourth proportional to 2,100,673.73, 3,149,141.19 and 820,990.19 is: 1,230,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,673.73 : 3,149,141.19 = 820,990.19 : x
  2. Step 2: Convert to fraction form
    2,100,673.73/3,149,141.19 = 820,990.19/x
  3. Step 3: Cross multiply
    2,100,673.73x = 3,149,141.19 × 820,990.19
  4. Step 4: Simplify right side
    2,100,673.73x = 2,585,414,023,914.93
  5. Step 5: Solve for x
    x = 2,585,414,023,914.93/2,100,673.73
  6. Step 6: Final answer
    x = 1,230,754.68

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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.