Home / 2,279,938.67-3,428,111.30-2,102,198.51

Finding the Fourth Proportional to 2,279,938.67, 3,428,111.30 and 2,102,198.51

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Solution

The fourth proportional to 2,279,938.67, 3,428,111.30 and 2,102,198.51 is: 3,160,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,938.67 : 3,428,111.30 = 2,102,198.51 : x
  2. Step 2: Convert to fraction form
    2,279,938.67/3,428,111.30 = 2,102,198.51/x
  3. Step 3: Cross multiply
    2,279,938.67x = 3,428,111.30 × 2,102,198.51
  4. Step 4: Simplify right side
    2,279,938.67x = 7,206,570,456,463.17
  5. Step 5: Solve for x
    x = 7,206,570,456,463.17/2,279,938.67
  6. Step 6: Final answer
    x = 3,160,861.54

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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.