Home / 2,639,414.40-3,959,121.60-1,694,630.40

Finding the Fourth Proportional to 2,639,414.40, 3,959,121.60 and 1,694,630.40

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Solution

The fourth proportional to 2,639,414.40, 3,959,121.60 and 1,694,630.40 is: 2,541,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,414.40 : 3,959,121.60 = 1,694,630.40 : x
  2. Step 2: Convert to fraction form
    2,639,414.40/3,959,121.60 = 1,694,630.40/x
  3. Step 3: Cross multiply
    2,639,414.40x = 3,959,121.60 × 1,694,630.40
  4. Step 4: Simplify right side
    2,639,414.40x = 6,709,247,820,656.64
  5. Step 5: Solve for x
    x = 6,709,247,820,656.64/2,639,414.40
  6. Step 6: Final answer
    x = 2,541,945.60

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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.