Home / 1,990,748.28-2,747,232.54-1,131,310.20

Finding the Fourth Proportional to 1,990,748.28, 2,747,232.54 and 1,131,310.20

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Solution

The fourth proportional to 1,990,748.28, 2,747,232.54 and 1,131,310.20 is: 1,561,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,748.28 : 2,747,232.54 = 1,131,310.20 : x
  2. Step 2: Convert to fraction form
    1,990,748.28/2,747,232.54 = 1,131,310.20/x
  3. Step 3: Cross multiply
    1,990,748.28x = 2,747,232.54 × 1,131,310.20
  4. Step 4: Simplify right side
    1,990,748.28x = 3,107,972,194,273.91
  5. Step 5: Solve for x
    x = 3,107,972,194,273.91/1,990,748.28
  6. Step 6: Final answer
    x = 1,561,208.03

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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.