Home / 2,375,375.12-3,278,022.04-1,287,643.34

Finding the Fourth Proportional to 2,375,375.12, 3,278,022.04 and 1,287,643.34

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Solution

The fourth proportional to 2,375,375.12, 3,278,022.04 and 1,287,643.34 is: 1,776,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375,375.12 : 3,278,022.04 = 1,287,643.34 : x
  2. Step 2: Convert to fraction form
    2,375,375.12/3,278,022.04 = 1,287,643.34/x
  3. Step 3: Cross multiply
    2,375,375.12x = 3,278,022.04 × 1,287,643.34
  4. Step 4: Simplify right side
    2,375,375.12x = 4,220,923,248,179.21
  5. Step 5: Solve for x
    x = 4,220,923,248,179.21/2,375,375.12
  6. Step 6: Final answer
    x = 1,776,950.18

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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.