Home / 3,320,008.20-4,980,012.30-1,045,819.80

Finding the Fourth Proportional to 3,320,008.20, 4,980,012.30 and 1,045,819.80

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Solution

The fourth proportional to 3,320,008.20, 4,980,012.30 and 1,045,819.80 is: 1,568,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,008.20 : 4,980,012.30 = 1,045,819.80 : x
  2. Step 2: Convert to fraction form
    3,320,008.20/4,980,012.30 = 1,045,819.80/x
  3. Step 3: Cross multiply
    3,320,008.20x = 4,980,012.30 × 1,045,819.80
  4. Step 4: Simplify right side
    3,320,008.20x = 5,208,195,467,583.54
  5. Step 5: Solve for x
    x = 5,208,195,467,583.54/3,320,008.20
  6. Step 6: Final answer
    x = 1,568,729.70

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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.