Home / 1,327,197.67-1,981,107.46-1,138,868.27

Finding the Fourth Proportional to 1,327,197.67, 1,981,107.46 and 1,138,868.27

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Solution

The fourth proportional to 1,327,197.67, 1,981,107.46 and 1,138,868.27 is: 1,699,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,197.67 : 1,981,107.46 = 1,138,868.27 : x
  2. Step 2: Convert to fraction form
    1,327,197.67/1,981,107.46 = 1,138,868.27/x
  3. Step 3: Cross multiply
    1,327,197.67x = 1,981,107.46 × 1,138,868.27
  4. Step 4: Simplify right side
    1,327,197.67x = 2,256,220,424,601.50
  5. Step 5: Solve for x
    x = 2,256,220,424,601.50/1,327,197.67
  6. Step 6: Final answer
    x = 1,699,988.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.