Home / 2,198,715.27-3,297,986.64-918,992.22

Finding the Fourth Proportional to 2,198,715.27, 3,297,986.64 and 918,992.22

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Solution

The fourth proportional to 2,198,715.27, 3,297,986.64 and 918,992.22 is: 1,378,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,715.27 : 3,297,986.64 = 918,992.22 : x
  2. Step 2: Convert to fraction form
    2,198,715.27/3,297,986.64 = 918,992.22/x
  3. Step 3: Cross multiply
    2,198,715.27x = 3,297,986.64 × 918,992.22
  4. Step 4: Simplify right side
    2,198,715.27x = 3,030,824,063,823.94
  5. Step 5: Solve for x
    x = 3,030,824,063,823.94/2,198,715.27
  6. Step 6: Final answer
    x = 1,378,452.27

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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.