Home / 1,954,149.40-2,931,224.10-1,618,226.20

Finding the Fourth Proportional to 1,954,149.40, 2,931,224.10 and 1,618,226.20

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Solution

The fourth proportional to 1,954,149.40, 2,931,224.10 and 1,618,226.20 is: 2,427,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,149.40 : 2,931,224.10 = 1,618,226.20 : x
  2. Step 2: Convert to fraction form
    1,954,149.40/2,931,224.10 = 1,618,226.20/x
  3. Step 3: Cross multiply
    1,954,149.40x = 2,931,224.10 × 1,618,226.20
  4. Step 4: Simplify right side
    1,954,149.40x = 4,743,383,636,691.42
  5. Step 5: Solve for x
    x = 4,743,383,636,691.42/1,954,149.40
  6. Step 6: Final answer
    x = 2,427,339.30

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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.