Home / 2,969,643.20-4,454,464.80-1,906,761.20

Finding the Fourth Proportional to 2,969,643.20, 4,454,464.80 and 1,906,761.20

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Solution

The fourth proportional to 2,969,643.20, 4,454,464.80 and 1,906,761.20 is: 2,860,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,643.20 : 4,454,464.80 = 1,906,761.20 : x
  2. Step 2: Convert to fraction form
    2,969,643.20/4,454,464.80 = 1,906,761.20/x
  3. Step 3: Cross multiply
    2,969,643.20x = 4,454,464.80 × 1,906,761.20
  4. Step 4: Simplify right side
    2,969,643.20x = 8,493,600,647,405.76
  5. Step 5: Solve for x
    x = 8,493,600,647,405.76/2,969,643.20
  6. Step 6: Final answer
    x = 2,860,141.80

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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.