Home / 4,080,490.20-6,113,736.90-1,945,978.20

Finding the Fourth Proportional to 4,080,490.20, 6,113,736.90 and 1,945,978.20

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Solution

The fourth proportional to 4,080,490.20, 6,113,736.90 and 1,945,978.20 is: 2,915,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,490.20 : 6,113,736.90 = 1,945,978.20 : x
  2. Step 2: Convert to fraction form
    4,080,490.20/6,113,736.90 = 1,945,978.20/x
  3. Step 3: Cross multiply
    4,080,490.20x = 6,113,736.90 × 1,945,978.20
  4. Step 4: Simplify right side
    4,080,490.20x = 11,897,198,727,935.58
  5. Step 5: Solve for x
    x = 11,897,198,727,935.58/4,080,490.20
  6. Step 6: Final answer
    x = 2,915,629.78

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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.