Home / 1,511,213.20-2,266,819.80-1,422,566.80

Finding the Fourth Proportional to 1,511,213.20, 2,266,819.80 and 1,422,566.80

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Solution

The fourth proportional to 1,511,213.20, 2,266,819.80 and 1,422,566.80 is: 2,133,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,213.20 : 2,266,819.80 = 1,422,566.80 : x
  2. Step 2: Convert to fraction form
    1,511,213.20/2,266,819.80 = 1,422,566.80/x
  3. Step 3: Cross multiply
    1,511,213.20x = 2,266,819.80 × 1,422,566.80
  4. Step 4: Simplify right side
    1,511,213.20x = 3,224,702,589,062.64
  5. Step 5: Solve for x
    x = 3,224,702,589,062.64/1,511,213.20
  6. Step 6: Final answer
    x = 2,133,850.20

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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.