Home / 1,902,080.25-2,853,286.38-482,136.21

Finding the Fourth Proportional to 1,902,080.25, 2,853,286.38 and 482,136.21

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Solution

The fourth proportional to 1,902,080.25, 2,853,286.38 and 482,136.21 is: 723,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,080.25 : 2,853,286.38 = 482,136.21 : x
  2. Step 2: Convert to fraction form
    1,902,080.25/2,853,286.38 = 482,136.21/x
  3. Step 3: Cross multiply
    1,902,080.25x = 2,853,286.38 × 482,136.21
  4. Step 4: Simplify right side
    1,902,080.25x = 1,375,672,681,297.82
  5. Step 5: Solve for x
    x = 1,375,672,681,297.82/1,902,080.25
  6. Step 6: Final answer
    x = 723,246.39

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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.