Home / 3,840,209.80-5,760,314.70-1,180,817.80

Finding the Fourth Proportional to 3,840,209.80, 5,760,314.70 and 1,180,817.80

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Solution

The fourth proportional to 3,840,209.80, 5,760,314.70 and 1,180,817.80 is: 1,771,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,209.80 : 5,760,314.70 = 1,180,817.80 : x
  2. Step 2: Convert to fraction form
    3,840,209.80/5,760,314.70 = 1,180,817.80/x
  3. Step 3: Cross multiply
    3,840,209.80x = 5,760,314.70 × 1,180,817.80
  4. Step 4: Simplify right side
    3,840,209.80x = 6,801,882,131,361.66
  5. Step 5: Solve for x
    x = 6,801,882,131,361.66/3,840,209.80
  6. Step 6: Final answer
    x = 1,771,226.70

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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.