Home / 2,198,329.66-3,297,099.21-778,393.18

Finding the Fourth Proportional to 2,198,329.66, 3,297,099.21 and 778,393.18

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Solution

The fourth proportional to 2,198,329.66, 3,297,099.21 and 778,393.18 is: 1,167,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,329.66 : 3,297,099.21 = 778,393.18 : x
  2. Step 2: Convert to fraction form
    2,198,329.66/3,297,099.21 = 778,393.18/x
  3. Step 3: Cross multiply
    2,198,329.66x = 3,297,099.21 × 778,393.18
  4. Step 4: Simplify right side
    2,198,329.66x = 2,566,439,538,847.39
  5. Step 5: Solve for x
    x = 2,566,439,538,847.39/2,198,329.66
  6. Step 6: Final answer
    x = 1,167,449.81

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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.