Home / 3,986,958.44-5,509,199.72-2,839,045.88

Finding the Fourth Proportional to 3,986,958.44, 5,509,199.72 and 2,839,045.88

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Solution

The fourth proportional to 3,986,958.44, 5,509,199.72 and 2,839,045.88 is: 3,923,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,958.44 : 5,509,199.72 = 2,839,045.88 : x
  2. Step 2: Convert to fraction form
    3,986,958.44/5,509,199.72 = 2,839,045.88/x
  3. Step 3: Cross multiply
    3,986,958.44x = 5,509,199.72 × 2,839,045.88
  4. Step 4: Simplify right side
    3,986,958.44x = 15,640,870,767,163.15
  5. Step 5: Solve for x
    x = 15,640,870,767,163.15/3,986,958.44
  6. Step 6: Final answer
    x = 3,923,008.23

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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.