Home / 2,419,429.20-3,629,581.20-1,218,328.80

Finding the Fourth Proportional to 2,419,429.20, 3,629,581.20 and 1,218,328.80

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Solution

The fourth proportional to 2,419,429.20, 3,629,581.20 and 1,218,328.80 is: 1,827,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,429.20 : 3,629,581.20 = 1,218,328.80 : x
  2. Step 2: Convert to fraction form
    2,419,429.20/3,629,581.20 = 1,218,328.80/x
  3. Step 3: Cross multiply
    2,419,429.20x = 3,629,581.20 × 1,218,328.80
  4. Step 4: Simplify right side
    2,419,429.20x = 4,422,023,307,898.56
  5. Step 5: Solve for x
    x = 4,422,023,307,898.56/2,419,429.20
  6. Step 6: Final answer
    x = 1,827,713.46

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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.