Home / 3,902,132.16-5,384,780.64-2,136,017.88

Finding the Fourth Proportional to 3,902,132.16, 5,384,780.64 and 2,136,017.88

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Solution

The fourth proportional to 3,902,132.16, 5,384,780.64 and 2,136,017.88 is: 2,947,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,132.16 : 5,384,780.64 = 2,136,017.88 : x
  2. Step 2: Convert to fraction form
    3,902,132.16/5,384,780.64 = 2,136,017.88/x
  3. Step 3: Cross multiply
    3,902,132.16x = 5,384,780.64 × 2,136,017.88
  4. Step 4: Simplify right side
    3,902,132.16x = 11,501,987,726,917.84
  5. Step 5: Solve for x
    x = 11,501,987,726,917.84/3,902,132.16
  6. Step 6: Final answer
    x = 2,947,616.14

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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.