Home / 2,766,536.78-3,817,813.18-1,542,843.62

Finding the Fourth Proportional to 2,766,536.78, 3,817,813.18 and 1,542,843.62

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Solution

The fourth proportional to 2,766,536.78, 3,817,813.18 and 1,542,843.62 is: 2,129,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,536.78 : 3,817,813.18 = 1,542,843.62 : x
  2. Step 2: Convert to fraction form
    2,766,536.78/3,817,813.18 = 1,542,843.62/x
  3. Step 3: Cross multiply
    2,766,536.78x = 3,817,813.18 × 1,542,843.62
  4. Step 4: Simplify right side
    2,766,536.78x = 5,890,288,684,168.74
  5. Step 5: Solve for x
    x = 5,890,288,684,168.74/2,766,536.78
  6. Step 6: Final answer
    x = 2,129,119.97

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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.