Home / 2,139,048.56-3,208,302.19-699,608.90

Finding the Fourth Proportional to 2,139,048.56, 3,208,302.19 and 699,608.90

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Solution

The fourth proportional to 2,139,048.56, 3,208,302.19 and 699,608.90 is: 1,049,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,048.56 : 3,208,302.19 = 699,608.90 : x
  2. Step 2: Convert to fraction form
    2,139,048.56/3,208,302.19 = 699,608.90/x
  3. Step 3: Cross multiply
    2,139,048.56x = 3,208,302.19 × 699,608.90
  4. Step 4: Simplify right side
    2,139,048.56x = 2,244,556,766,013.49
  5. Step 5: Solve for x
    x = 2,244,556,766,013.49/2,139,048.56
  6. Step 6: Final answer
    x = 1,049,324.83

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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.