Home / 2,419,297.20-3,629,383.20-1,218,196.80

Finding the Fourth Proportional to 2,419,297.20, 3,629,383.20 and 1,218,196.80

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Solution

The fourth proportional to 2,419,297.20, 3,629,383.20 and 1,218,196.80 is: 1,827,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,297.20 : 3,629,383.20 = 1,218,196.80 : x
  2. Step 2: Convert to fraction form
    2,419,297.20/3,629,383.20 = 1,218,196.80/x
  3. Step 3: Cross multiply
    2,419,297.20x = 3,629,383.20 × 1,218,196.80
  4. Step 4: Simplify right side
    2,419,297.20x = 4,421,303,000,213.76
  5. Step 5: Solve for x
    x = 4,421,303,000,213.76/2,419,297.20
  6. Step 6: Final answer
    x = 1,827,515.45

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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.