Home / 2,815,449.20-4,222,883.20-1,910,442.54

Finding the Fourth Proportional to 2,815,449.20, 4,222,883.20 and 1,910,442.54

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Solution

The fourth proportional to 2,815,449.20, 4,222,883.20 and 1,910,442.54 is: 2,865,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,449.20 : 4,222,883.20 = 1,910,442.54 : x
  2. Step 2: Convert to fraction form
    2,815,449.20/4,222,883.20 = 1,910,442.54/x
  3. Step 3: Cross multiply
    2,815,449.20x = 4,222,883.20 × 1,910,442.54
  4. Step 4: Simplify right side
    2,815,449.20x = 8,067,575,706,731.33
  5. Step 5: Solve for x
    x = 8,067,575,706,731.33/2,815,449.20
  6. Step 6: Final answer
    x = 2,865,466.62

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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.