Home / 3,969,190.43-5,480,568.14-3,049,970.64

Finding the Fourth Proportional to 3,969,190.43, 5,480,568.14 and 3,049,970.64

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Solution

The fourth proportional to 3,969,190.43, 5,480,568.14 and 3,049,970.64 is: 4,211,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,190.43 : 5,480,568.14 = 3,049,970.64 : x
  2. Step 2: Convert to fraction form
    3,969,190.43/5,480,568.14 = 3,049,970.64/x
  3. Step 3: Cross multiply
    3,969,190.43x = 5,480,568.14 × 3,049,970.64
  4. Step 4: Simplify right side
    3,969,190.43x = 16,715,571,917,519.41
  5. Step 5: Solve for x
    x = 16,715,571,917,519.41/3,969,190.43
  6. Step 6: Final answer
    x = 4,211,330.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.