Home / 3,918,062.91-5,406,630.35-2,198,851.29

Finding the Fourth Proportional to 3,918,062.91, 5,406,630.35 and 2,198,851.29

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Solution

The fourth proportional to 3,918,062.91, 5,406,630.35 and 2,198,851.29 is: 3,034,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,062.91 : 5,406,630.35 = 2,198,851.29 : x
  2. Step 2: Convert to fraction form
    3,918,062.91/5,406,630.35 = 2,198,851.29/x
  3. Step 3: Cross multiply
    3,918,062.91x = 5,406,630.35 × 2,198,851.29
  4. Step 4: Simplify right side
    3,918,062.91x = 11,888,376,108,656.39
  5. Step 5: Solve for x
    x = 11,888,376,108,656.39/3,918,062.91
  6. Step 6: Final answer
    x = 3,034,248.40

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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.