Home / 2,891,387.97-3,990,138.84-1,602,249.89

Finding the Fourth Proportional to 2,891,387.97, 3,990,138.84 and 1,602,249.89

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Solution

The fourth proportional to 2,891,387.97, 3,990,138.84 and 1,602,249.89 is: 2,211,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,387.97 : 3,990,138.84 = 1,602,249.89 : x
  2. Step 2: Convert to fraction form
    2,891,387.97/3,990,138.84 = 1,602,249.89/x
  3. Step 3: Cross multiply
    2,891,387.97x = 3,990,138.84 × 1,602,249.89
  4. Step 4: Simplify right side
    2,891,387.97x = 6,393,199,497,524.03
  5. Step 5: Solve for x
    x = 6,393,199,497,524.03/2,891,387.97
  6. Step 6: Final answer
    x = 2,211,117.83

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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.