Home / 3,523,286.80-5,287,003.80-1,279,133.20

Finding the Fourth Proportional to 3,523,286.80, 5,287,003.80 and 1,279,133.20

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Solution

The fourth proportional to 3,523,286.80, 5,287,003.80 and 1,279,133.20 is: 1,919,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523,286.80 : 5,287,003.80 = 1,279,133.20 : x
  2. Step 2: Convert to fraction form
    3,523,286.80/5,287,003.80 = 1,279,133.20/x
  3. Step 3: Cross multiply
    3,523,286.80x = 5,287,003.80 × 1,279,133.20
  4. Step 4: Simplify right side
    3,523,286.80x = 6,762,782,089,106.16
  5. Step 5: Solve for x
    x = 6,762,782,089,106.16/3,523,286.80
  6. Step 6: Final answer
    x = 1,919,452.62

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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.