Home / 3,165,819-4,367,177.55-1,942,397.43

Finding the Fourth Proportional to 3,165,819, 4,367,177.55 and 1,942,397.43

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Solution

The fourth proportional to 3,165,819, 4,367,177.55 and 1,942,397.43 is: 2,679,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,819 : 4,367,177.55 = 1,942,397.43 : x
  2. Step 2: Convert to fraction form
    3,165,819/4,367,177.55 = 1,942,397.43/x
  3. Step 3: Cross multiply
    3,165,819x = 4,367,177.55 × 1,942,397.43
  4. Step 4: Simplify right side
    3,165,819x = 8,482,794,449,473.70
  5. Step 5: Solve for x
    x = 8,482,794,449,473.70/3,165,819
  6. Step 6: Final answer
    x = 2,679,494.45

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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.