Home / 1,969,711.88-2,720,443.20-1,324,010.66

Finding the Fourth Proportional to 1,969,711.88, 2,720,443.20 and 1,324,010.66

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Solution

The fourth proportional to 1,969,711.88, 2,720,443.20 and 1,324,010.66 is: 1,828,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,711.88 : 2,720,443.20 = 1,324,010.66 : x
  2. Step 2: Convert to fraction form
    1,969,711.88/2,720,443.20 = 1,324,010.66/x
  3. Step 3: Cross multiply
    1,969,711.88x = 2,720,443.20 × 1,324,010.66
  4. Step 4: Simplify right side
    1,969,711.88x = 3,601,895,796,724.51
  5. Step 5: Solve for x
    x = 3,601,895,796,724.51/1,969,711.88
  6. Step 6: Final answer
    x = 1,828,640.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.