Home / 2,179,912.30-3,270,568.56-663,888.49

Finding the Fourth Proportional to 2,179,912.30, 3,270,568.56 and 663,888.49

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Solution

The fourth proportional to 2,179,912.30, 3,270,568.56 and 663,888.49 is: 996,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,912.30 : 3,270,568.56 = 663,888.49 : x
  2. Step 2: Convert to fraction form
    2,179,912.30/3,270,568.56 = 663,888.49/x
  3. Step 3: Cross multiply
    2,179,912.30x = 3,270,568.56 × 663,888.49
  4. Step 4: Simplify right side
    2,179,912.30x = 2,171,292,822,739.87
  5. Step 5: Solve for x
    x = 2,171,292,822,739.87/2,179,912.30
  6. Step 6: Final answer
    x = 996,045.95

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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.