Home / 2,276,291.20-3,414,436.80-1,278,889.60

Finding the Fourth Proportional to 2,276,291.20, 3,414,436.80 and 1,278,889.60

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Solution

The fourth proportional to 2,276,291.20, 3,414,436.80 and 1,278,889.60 is: 1,918,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,291.20 : 3,414,436.80 = 1,278,889.60 : x
  2. Step 2: Convert to fraction form
    2,276,291.20/3,414,436.80 = 1,278,889.60/x
  3. Step 3: Cross multiply
    2,276,291.20x = 3,414,436.80 × 1,278,889.60
  4. Step 4: Simplify right side
    2,276,291.20x = 4,366,687,713,377.28
  5. Step 5: Solve for x
    x = 4,366,687,713,377.28/2,276,291.20
  6. Step 6: Final answer
    x = 1,918,334.40

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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.