Home / 2,342,986.80-3,510,468.30-1,278,775.62

Finding the Fourth Proportional to 2,342,986.80, 3,510,468.30 and 1,278,775.62

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Solution

The fourth proportional to 2,342,986.80, 3,510,468.30 and 1,278,775.62 is: 1,915,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342,986.80 : 3,510,468.30 = 1,278,775.62 : x
  2. Step 2: Convert to fraction form
    2,342,986.80/3,510,468.30 = 1,278,775.62/x
  3. Step 3: Cross multiply
    2,342,986.80x = 3,510,468.30 × 1,278,775.62
  4. Step 4: Simplify right side
    2,342,986.80x = 4,489,101,276,822.85
  5. Step 5: Solve for x
    x = 4,489,101,276,822.85/2,342,986.80
  6. Step 6: Final answer
    x = 1,915,973.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.