Home / 6,687,989.65-10,028,824.31-2,591,229.98

Finding the Fourth Proportional to 6,687,989.65, 10,028,824.31 and 2,591,229.98

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Solution

The fourth proportional to 6,687,989.65, 10,028,824.31 and 2,591,229.98 is: 3,885,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,989.65 : 10,028,824.31 = 2,591,229.98 : x
  2. Step 2: Convert to fraction form
    6,687,989.65/10,028,824.31 = 2,591,229.98/x
  3. Step 3: Cross multiply
    6,687,989.65x = 10,028,824.31 × 2,591,229.98
  4. Step 4: Simplify right side
    6,687,989.65x = 25,986,990,216,224.82
  5. Step 5: Solve for x
    x = 25,986,990,216,224.82/6,687,989.65
  6. Step 6: Final answer
    x = 3,885,620.58

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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.