Home / 1,996,517.20-2,990,110.20-1,956,427.60

Finding the Fourth Proportional to 1,996,517.20, 2,990,110.20 and 1,956,427.60

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Solution

The fourth proportional to 1,996,517.20, 2,990,110.20 and 1,956,427.60 is: 2,930,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,517.20 : 2,990,110.20 = 1,956,427.60 : x
  2. Step 2: Convert to fraction form
    1,996,517.20/2,990,110.20 = 1,956,427.60/x
  3. Step 3: Cross multiply
    1,996,517.20x = 2,990,110.20 × 1,956,427.60
  4. Step 4: Simplify right side
    1,996,517.20x = 5,849,934,122,321.52
  5. Step 5: Solve for x
    x = 5,849,934,122,321.52/1,996,517.20
  6. Step 6: Final answer
    x = 2,930,069.48

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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.