Home / 3,222,456.78-4,446,888.55-1,772,147.73

Finding the Fourth Proportional to 3,222,456.78, 4,446,888.55 and 1,772,147.73

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Solution

The fourth proportional to 3,222,456.78, 4,446,888.55 and 1,772,147.73 is: 2,445,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222,456.78 : 4,446,888.55 = 1,772,147.73 : x
  2. Step 2: Convert to fraction form
    3,222,456.78/4,446,888.55 = 1,772,147.73/x
  3. Step 3: Cross multiply
    3,222,456.78x = 4,446,888.55 × 1,772,147.73
  4. Step 4: Simplify right side
    3,222,456.78x = 7,880,543,449,445.49
  5. Step 5: Solve for x
    x = 7,880,543,449,445.49/3,222,456.78
  6. Step 6: Final answer
    x = 2,445,507.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.