Home / 1,862,452.74-2,791,419.20-1,321,855.50

Finding the Fourth Proportional to 1,862,452.74, 2,791,419.20 and 1,321,855.50

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Solution

The fourth proportional to 1,862,452.74, 2,791,419.20 and 1,321,855.50 is: 1,981,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,452.74 : 2,791,419.20 = 1,321,855.50 : x
  2. Step 2: Convert to fraction form
    1,862,452.74/2,791,419.20 = 1,321,855.50/x
  3. Step 3: Cross multiply
    1,862,452.74x = 2,791,419.20 × 1,321,855.50
  4. Step 4: Simplify right side
    1,862,452.74x = 3,689,852,822,325.60
  5. Step 5: Solve for x
    x = 3,689,852,822,325.60/1,862,452.74
  6. Step 6: Final answer
    x = 1,981,179.30

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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.