Home / 3,999,843.87-5,519,744.64-2,164,261.97

Finding the Fourth Proportional to 3,999,843.87, 5,519,744.64 and 2,164,261.97

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Solution

The fourth proportional to 3,999,843.87, 5,519,744.64 and 2,164,261.97 is: 2,986,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,843.87 : 5,519,744.64 = 2,164,261.97 : x
  2. Step 2: Convert to fraction form
    3,999,843.87/5,519,744.64 = 2,164,261.97/x
  3. Step 3: Cross multiply
    3,999,843.87x = 5,519,744.64 × 2,164,261.97
  4. Step 4: Simplify right side
    3,999,843.87x = 11,946,173,380,864.62
  5. Step 5: Solve for x
    x = 11,946,173,380,864.62/3,999,843.87
  6. Step 6: Final answer
    x = 2,986,659.92

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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.