Home / 3,279,921.18-4,921,302.75-1,761,832.98

Finding the Fourth Proportional to 3,279,921.18, 4,921,302.75 and 1,761,832.98

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Solution

The fourth proportional to 3,279,921.18, 4,921,302.75 and 1,761,832.98 is: 2,643,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,921.18 : 4,921,302.75 = 1,761,832.98 : x
  2. Step 2: Convert to fraction form
    3,279,921.18/4,921,302.75 = 1,761,832.98/x
  3. Step 3: Cross multiply
    3,279,921.18x = 4,921,302.75 × 1,761,832.98
  4. Step 4: Simplify right side
    3,279,921.18x = 8,670,513,489,514.70
  5. Step 5: Solve for x
    x = 8,670,513,489,514.70/3,279,921.18
  6. Step 6: Final answer
    x = 2,643,512.76

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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.