Home / 2,720,747.20-4,080,991.20-923,454.40

Finding the Fourth Proportional to 2,720,747.20, 4,080,991.20 and 923,454.40

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Solution

The fourth proportional to 2,720,747.20, 4,080,991.20 and 923,454.40 is: 1,385,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,747.20 : 4,080,991.20 = 923,454.40 : x
  2. Step 2: Convert to fraction form
    2,720,747.20/4,080,991.20 = 923,454.40/x
  3. Step 3: Cross multiply
    2,720,747.20x = 4,080,991.20 × 923,454.40
  4. Step 4: Simplify right side
    2,720,747.20x = 3,768,609,280,001.28
  5. Step 5: Solve for x
    x = 3,768,609,280,001.28/2,720,747.20
  6. Step 6: Final answer
    x = 1,385,137.61

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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.