Home / 3,643,846.80-5,465,770.20-1,279,942.80

Finding the Fourth Proportional to 3,643,846.80, 5,465,770.20 and 1,279,942.80

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Solution

The fourth proportional to 3,643,846.80, 5,465,770.20 and 1,279,942.80 is: 1,919,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,846.80 : 5,465,770.20 = 1,279,942.80 : x
  2. Step 2: Convert to fraction form
    3,643,846.80/5,465,770.20 = 1,279,942.80/x
  3. Step 3: Cross multiply
    3,643,846.80x = 5,465,770.20 × 1,279,942.80
  4. Step 4: Simplify right side
    3,643,846.80x = 6,995,873,213,944.56
  5. Step 5: Solve for x
    x = 6,995,873,213,944.56/3,643,846.80
  6. Step 6: Final answer
    x = 1,919,914.20

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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.