Home / 2,694,743.40-4,042,115.10-1,785,388.80

Finding the Fourth Proportional to 2,694,743.40, 4,042,115.10 and 1,785,388.80

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Solution

The fourth proportional to 2,694,743.40, 4,042,115.10 and 1,785,388.80 is: 2,678,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694,743.40 : 4,042,115.10 = 1,785,388.80 : x
  2. Step 2: Convert to fraction form
    2,694,743.40/4,042,115.10 = 1,785,388.80/x
  3. Step 3: Cross multiply
    2,694,743.40x = 4,042,115.10 × 1,785,388.80
  4. Step 4: Simplify right side
    2,694,743.40x = 7,216,747,027,850.88
  5. Step 5: Solve for x
    x = 7,216,747,027,850.88/2,694,743.40
  6. Step 6: Final answer
    x = 2,678,083.20

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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.