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Finding the Fourth Proportional to 4,886,255.93, 6,743,213.37 and 2,952,142.88

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Solution

The fourth proportional to 4,886,255.93, 6,743,213.37 and 2,952,142.88 is: 4,074,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,255.93 : 6,743,213.37 = 2,952,142.88 : x
  2. Step 2: Convert to fraction form
    4,886,255.93/6,743,213.37 = 2,952,142.88/x
  3. Step 3: Cross multiply
    4,886,255.93x = 6,743,213.37 × 2,952,142.88
  4. Step 4: Simplify right side
    4,886,255.93x = 19,906,929,304,850.24
  5. Step 5: Solve for x
    x = 19,906,929,304,850.24/4,886,255.93
  6. Step 6: Final answer
    x = 4,074,066.04

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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.