Home / 3,979,875.11-5,969,229.46-1,957,576.19

Finding the Fourth Proportional to 3,979,875.11, 5,969,229.46 and 1,957,576.19

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Solution

The fourth proportional to 3,979,875.11, 5,969,229.46 and 1,957,576.19 is: 2,936,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,875.11 : 5,969,229.46 = 1,957,576.19 : x
  2. Step 2: Convert to fraction form
    3,979,875.11/5,969,229.46 = 1,957,576.19/x
  3. Step 3: Cross multiply
    3,979,875.11x = 5,969,229.46 × 1,957,576.19
  4. Step 4: Simplify right side
    3,979,875.11x = 11,685,221,428,802.47
  5. Step 5: Solve for x
    x = 11,685,221,428,802.47/3,979,875.11
  6. Step 6: Final answer
    x = 2,936,077.42

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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.