Home / 3,122,731.20-4,680,597.60-1,325,308.80

Finding the Fourth Proportional to 3,122,731.20, 4,680,597.60 and 1,325,308.80

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Solution

The fourth proportional to 3,122,731.20, 4,680,597.60 and 1,325,308.80 is: 1,986,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,731.20 : 4,680,597.60 = 1,325,308.80 : x
  2. Step 2: Convert to fraction form
    3,122,731.20/4,680,597.60 = 1,325,308.80/x
  3. Step 3: Cross multiply
    3,122,731.20x = 4,680,597.60 × 1,325,308.80
  4. Step 4: Simplify right side
    3,122,731.20x = 6,203,237,188,538.88
  5. Step 5: Solve for x
    x = 6,203,237,188,538.88/3,122,731.20
  6. Step 6: Final answer
    x = 1,986,478.12

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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.