Home / 3,218,327.20-4,821,961.20-1,699,760.80

Finding the Fourth Proportional to 3,218,327.20, 4,821,961.20 and 1,699,760.80

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Solution

The fourth proportional to 3,218,327.20, 4,821,961.20 and 1,699,760.80 is: 2,546,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,327.20 : 4,821,961.20 = 1,699,760.80 : x
  2. Step 2: Convert to fraction form
    3,218,327.20/4,821,961.20 = 1,699,760.80/x
  3. Step 3: Cross multiply
    3,218,327.20x = 4,821,961.20 × 1,699,760.80
  4. Step 4: Simplify right side
    3,218,327.20x = 8,196,180,626,880.96
  5. Step 5: Solve for x
    x = 8,196,180,626,880.96/3,218,327.20
  6. Step 6: Final answer
    x = 2,546,720.74

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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.