Home / 6,721,689.38-9,275,888.86-3,821,080.38

Finding the Fourth Proportional to 6,721,689.38, 9,275,888.86 and 3,821,080.38

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Solution

The fourth proportional to 6,721,689.38, 9,275,888.86 and 3,821,080.38 is: 5,273,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,689.38 : 9,275,888.86 = 3,821,080.38 : x
  2. Step 2: Convert to fraction form
    6,721,689.38/9,275,888.86 = 3,821,080.38/x
  3. Step 3: Cross multiply
    6,721,689.38x = 9,275,888.86 × 3,821,080.38
  4. Step 4: Simplify right side
    6,721,689.38x = 35,443,916,930,006.56
  5. Step 5: Solve for x
    x = 35,443,916,930,006.56/6,721,689.38
  6. Step 6: Final answer
    x = 5,273,066.77

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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.