Home / 2,647,807.76-3,971,842.86-754,828.04

Finding the Fourth Proportional to 2,647,807.76, 3,971,842.86 and 754,828.04

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Solution

The fourth proportional to 2,647,807.76, 3,971,842.86 and 754,828.04 is: 1,132,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,807.76 : 3,971,842.86 = 754,828.04 : x
  2. Step 2: Convert to fraction form
    2,647,807.76/3,971,842.86 = 754,828.04/x
  3. Step 3: Cross multiply
    2,647,807.76x = 3,971,842.86 × 754,828.04
  4. Step 4: Simplify right side
    2,647,807.76x = 2,998,058,361,201.79
  5. Step 5: Solve for x
    x = 2,998,058,361,201.79/2,647,807.76
  6. Step 6: Final answer
    x = 1,132,279.47

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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.