Home / 2,589,121.60-3,882,991.20-792,001.60

Finding the Fourth Proportional to 2,589,121.60, 3,882,991.20 and 792,001.60

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Solution

The fourth proportional to 2,589,121.60, 3,882,991.20 and 792,001.60 is: 1,187,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,121.60 : 3,882,991.20 = 792,001.60 : x
  2. Step 2: Convert to fraction form
    2,589,121.60/3,882,991.20 = 792,001.60/x
  3. Step 3: Cross multiply
    2,589,121.60x = 3,882,991.20 × 792,001.60
  4. Step 4: Simplify right side
    2,589,121.60x = 3,075,335,243,185.92
  5. Step 5: Solve for x
    x = 3,075,335,243,185.92/2,589,121.60
  6. Step 6: Final answer
    x = 1,187,790.96

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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.