Home / 2,720,751.20-4,080,997.20-923,458.40

Finding the Fourth Proportional to 2,720,751.20, 4,080,997.20 and 923,458.40

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Solution

The fourth proportional to 2,720,751.20, 4,080,997.20 and 923,458.40 is: 1,385,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,751.20 : 4,080,997.20 = 923,458.40 : x
  2. Step 2: Convert to fraction form
    2,720,751.20/4,080,997.20 = 923,458.40/x
  3. Step 3: Cross multiply
    2,720,751.20x = 4,080,997.20 × 923,458.40
  4. Step 4: Simplify right side
    2,720,751.20x = 3,768,631,144,716.48
  5. Step 5: Solve for x
    x = 3,768,631,144,716.48/2,720,751.20
  6. Step 6: Final answer
    x = 1,385,143.61

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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.