Home / 3,121,824.40-4,682,736.60-2,002,080.40

Finding the Fourth Proportional to 3,121,824.40, 4,682,736.60 and 2,002,080.40

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Solution

The fourth proportional to 3,121,824.40, 4,682,736.60 and 2,002,080.40 is: 3,003,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,824.40 : 4,682,736.60 = 2,002,080.40 : x
  2. Step 2: Convert to fraction form
    3,121,824.40/4,682,736.60 = 2,002,080.40/x
  3. Step 3: Cross multiply
    3,121,824.40x = 4,682,736.60 × 2,002,080.40
  4. Step 4: Simplify right side
    3,121,824.40x = 9,375,215,165,222.64
  5. Step 5: Solve for x
    x = 9,375,215,165,222.64/3,121,824.40
  6. Step 6: Final answer
    x = 3,003,120.60

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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.