Home / 3,902,274.11-5,385,282.45-2,136,296.21

Finding the Fourth Proportional to 3,902,274.11, 5,385,282.45 and 2,136,296.21

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Solution

The fourth proportional to 3,902,274.11, 5,385,282.45 and 2,136,296.21 is: 2,948,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,274.11 : 5,385,282.45 = 2,136,296.21 : x
  2. Step 2: Convert to fraction form
    3,902,274.11/5,385,282.45 = 2,136,296.21/x
  3. Step 3: Cross multiply
    3,902,274.11x = 5,385,282.45 × 2,136,296.21
  4. Step 4: Simplify right side
    3,902,274.11x = 11,504,558,515,920.44
  5. Step 5: Solve for x
    x = 11,504,558,515,920.44/3,902,274.11
  6. Step 6: Final answer
    x = 2,948,167.71

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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.