Home / 2,180,179.80-3,272,213.70-1,280,496.60

Finding the Fourth Proportional to 2,180,179.80, 3,272,213.70 and 1,280,496.60

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Solution

The fourth proportional to 2,180,179.80, 3,272,213.70 and 1,280,496.60 is: 1,921,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,179.80 : 3,272,213.70 = 1,280,496.60 : x
  2. Step 2: Convert to fraction form
    2,180,179.80/3,272,213.70 = 1,280,496.60/x
  3. Step 3: Cross multiply
    2,180,179.80x = 3,272,213.70 × 1,280,496.60
  4. Step 4: Simplify right side
    2,180,179.80x = 4,190,058,517,323.42
  5. Step 5: Solve for x
    x = 4,190,058,517,323.42/2,180,179.80
  6. Step 6: Final answer
    x = 1,921,886.68

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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.