Home / 3,840,212.80-5,760,319.20-1,180,820.80

Finding the Fourth Proportional to 3,840,212.80, 5,760,319.20 and 1,180,820.80

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Solution

The fourth proportional to 3,840,212.80, 5,760,319.20 and 1,180,820.80 is: 1,771,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,212.80 : 5,760,319.20 = 1,180,820.80 : x
  2. Step 2: Convert to fraction form
    3,840,212.80/5,760,319.20 = 1,180,820.80/x
  3. Step 3: Cross multiply
    3,840,212.80x = 5,760,319.20 × 1,180,820.80
  4. Step 4: Simplify right side
    3,840,212.80x = 6,801,904,725,999.36
  5. Step 5: Solve for x
    x = 6,801,904,725,999.36/3,840,212.80
  6. Step 6: Final answer
    x = 1,771,231.20

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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.