Home / 2,191,631.68-3,022,493.38-1,375,911.36

Finding the Fourth Proportional to 2,191,631.68, 3,022,493.38 and 1,375,911.36

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Solution

The fourth proportional to 2,191,631.68, 3,022,493.38 and 1,375,911.36 is: 1,897,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,631.68 : 3,022,493.38 = 1,375,911.36 : x
  2. Step 2: Convert to fraction form
    2,191,631.68/3,022,493.38 = 1,375,911.36/x
  3. Step 3: Cross multiply
    2,191,631.68x = 3,022,493.38 × 1,375,911.36
  4. Step 4: Simplify right side
    2,191,631.68x = 4,158,682,981,366.52
  5. Step 5: Solve for x
    x = 4,158,682,981,366.52/2,191,631.68
  6. Step 6: Final answer
    x = 1,897,528.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.