Home / 2,198,940.21-3,299,538.92-1,047,490.79

Finding the Fourth Proportional to 2,198,940.21, 3,299,538.92 and 1,047,490.79

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Solution

The fourth proportional to 2,198,940.21, 3,299,538.92 and 1,047,490.79 is: 1,571,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,940.21 : 3,299,538.92 = 1,047,490.79 : x
  2. Step 2: Convert to fraction form
    2,198,940.21/3,299,538.92 = 1,047,490.79/x
  3. Step 3: Cross multiply
    2,198,940.21x = 3,299,538.92 × 1,047,490.79
  4. Step 4: Simplify right side
    2,198,940.21x = 3,456,236,608,211.40
  5. Step 5: Solve for x
    x = 3,456,236,608,211.40/2,198,940.21
  6. Step 6: Final answer
    x = 1,571,773.80

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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.