Home / 3,936,329.20-5,904,493.80-1,276,937.20

Finding the Fourth Proportional to 3,936,329.20, 5,904,493.80 and 1,276,937.20

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Solution

The fourth proportional to 3,936,329.20, 5,904,493.80 and 1,276,937.20 is: 1,915,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,329.20 : 5,904,493.80 = 1,276,937.20 : x
  2. Step 2: Convert to fraction form
    3,936,329.20/5,904,493.80 = 1,276,937.20/x
  3. Step 3: Cross multiply
    3,936,329.20x = 5,904,493.80 × 1,276,937.20
  4. Step 4: Simplify right side
    3,936,329.20x = 7,539,667,780,389.36
  5. Step 5: Solve for x
    x = 7,539,667,780,389.36/3,936,329.20
  6. Step 6: Final answer
    x = 1,915,405.80

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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.