Home / 3,181,787.73-4,390,850.45-1,731,493.54

Finding the Fourth Proportional to 3,181,787.73, 4,390,850.45 and 1,731,493.54

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Solution

The fourth proportional to 3,181,787.73, 4,390,850.45 and 1,731,493.54 is: 2,389,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,787.73 : 4,390,850.45 = 1,731,493.54 : x
  2. Step 2: Convert to fraction form
    3,181,787.73/4,390,850.45 = 1,731,493.54/x
  3. Step 3: Cross multiply
    3,181,787.73x = 4,390,850.45 × 1,731,493.54
  4. Step 4: Simplify right side
    3,181,787.73x = 7,602,729,189,281.09
  5. Step 5: Solve for x
    x = 7,602,729,189,281.09/3,181,787.73
  6. Step 6: Final answer
    x = 2,389,452.05

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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.