Home / 2,198,788.70-3,297,016.65-778,891.10

Finding the Fourth Proportional to 2,198,788.70, 3,297,016.65 and 778,891.10

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Solution

The fourth proportional to 2,198,788.70, 3,297,016.65 and 778,891.10 is: 1,167,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,788.70 : 3,297,016.65 = 778,891.10 : x
  2. Step 2: Convert to fraction form
    2,198,788.70/3,297,016.65 = 778,891.10/x
  3. Step 3: Cross multiply
    2,198,788.70x = 3,297,016.65 × 778,891.10
  4. Step 4: Simplify right side
    2,198,788.70x = 2,568,016,925,236.82
  5. Step 5: Solve for x
    x = 2,568,016,925,236.82/2,198,788.70
  6. Step 6: Final answer
    x = 1,167,923.47

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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.