Home / 6,721,689.87-9,275,889.55-3,821,080.89

Finding the Fourth Proportional to 6,721,689.87, 9,275,889.55 and 3,821,080.89

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Solution

The fourth proportional to 6,721,689.87, 9,275,889.55 and 3,821,080.89 is: 5,273,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,689.87 : 9,275,889.55 = 3,821,080.89 : x
  2. Step 2: Convert to fraction form
    6,721,689.87/9,275,889.55 = 3,821,080.89/x
  3. Step 3: Cross multiply
    6,721,689.87x = 9,275,889.55 × 3,821,080.89
  4. Step 4: Simplify right side
    6,721,689.87x = 35,443,924,297,255.70
  5. Step 5: Solve for x
    x = 35,443,924,297,255.70/6,721,689.87
  6. Step 6: Final answer
    x = 5,273,067.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.