Home / 1,979,982.56-2,732,375.22-1,074,564.56

Finding the Fourth Proportional to 1,979,982.56, 2,732,375.22 and 1,074,564.56

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Solution

The fourth proportional to 1,979,982.56, 2,732,375.22 and 1,074,564.56 is: 1,482,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,982.56 : 2,732,375.22 = 1,074,564.56 : x
  2. Step 2: Convert to fraction form
    1,979,982.56/2,732,375.22 = 1,074,564.56/x
  3. Step 3: Cross multiply
    1,979,982.56x = 2,732,375.22 × 1,074,564.56
  4. Step 4: Simplify right side
    1,979,982.56x = 2,936,113,576,034.20
  5. Step 5: Solve for x
    x = 2,936,113,576,034.20/1,979,982.56
  6. Step 6: Final answer
    x = 1,482,898.71

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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.