Home / 6,786,957.60-10,179,907.20-3,945,257.28

Finding the Fourth Proportional to 6,786,957.60, 10,179,907.20 and 3,945,257.28

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Solution

The fourth proportional to 6,786,957.60, 10,179,907.20 and 3,945,257.28 is: 5,917,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,957.60 : 10,179,907.20 = 3,945,257.28 : x
  2. Step 2: Convert to fraction form
    6,786,957.60/10,179,907.20 = 3,945,257.28/x
  3. Step 3: Cross multiply
    6,786,957.60x = 10,179,907.20 × 3,945,257.28
  4. Step 4: Simplify right side
    6,786,957.60x = 40,162,352,990,524.41
  5. Step 5: Solve for x
    x = 40,162,352,990,524.41/6,786,957.60
  6. Step 6: Final answer
    x = 5,917,578.30

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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.