Home / 3,684,821.82-5,085,064.35-2,136,383.70

Finding the Fourth Proportional to 3,684,821.82, 5,085,064.35 and 2,136,383.70

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Solution

The fourth proportional to 3,684,821.82, 5,085,064.35 and 2,136,383.70 is: 2,948,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,821.82 : 5,085,064.35 = 2,136,383.70 : x
  2. Step 2: Convert to fraction form
    3,684,821.82/5,085,064.35 = 2,136,383.70/x
  3. Step 3: Cross multiply
    3,684,821.82x = 5,085,064.35 × 2,136,383.70
  4. Step 4: Simplify right side
    3,684,821.82x = 10,863,648,590,791.10
  5. Step 5: Solve for x
    x = 10,863,648,590,791.10/3,684,821.82
  6. Step 6: Final answer
    x = 2,948,215.44

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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.