Home / 1,728,869.97-2,586,882.30-1,086,164.64

Finding the Fourth Proportional to 1,728,869.97, 2,586,882.30 and 1,086,164.64

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Solution

The fourth proportional to 1,728,869.97, 2,586,882.30 and 1,086,164.64 is: 1,625,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,869.97 : 2,586,882.30 = 1,086,164.64 : x
  2. Step 2: Convert to fraction form
    1,728,869.97/2,586,882.30 = 1,086,164.64/x
  3. Step 3: Cross multiply
    1,728,869.97x = 2,586,882.30 × 1,086,164.64
  4. Step 4: Simplify right side
    1,728,869.97x = 2,809,780,082,101.87
  5. Step 5: Solve for x
    x = 2,809,780,082,101.87/1,728,869.97
  6. Step 6: Final answer
    x = 1,625,211.92

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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.