Home / 3,219,843.96-4,442,414.76-1,930,213.80

Finding the Fourth Proportional to 3,219,843.96, 4,442,414.76 and 1,930,213.80

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Solution

The fourth proportional to 3,219,843.96, 4,442,414.76 and 1,930,213.80 is: 2,663,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,843.96 : 4,442,414.76 = 1,930,213.80 : x
  2. Step 2: Convert to fraction form
    3,219,843.96/4,442,414.76 = 1,930,213.80/x
  3. Step 3: Cross multiply
    3,219,843.96x = 4,442,414.76 × 1,930,213.80
  4. Step 4: Simplify right side
    3,219,843.96x = 8,574,810,275,075.69
  5. Step 5: Solve for x
    x = 8,574,810,275,075.69/3,219,843.96
  6. Step 6: Final answer
    x = 2,663,113.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.