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Finding the Fourth Proportional to 5,797,157.82, 7,999,324.82 and 3,218,340.38

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Solution

The fourth proportional to 5,797,157.82, 7,999,324.82 and 3,218,340.38 is: 4,440,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797,157.82 : 7,999,324.82 = 3,218,340.38 : x
  2. Step 2: Convert to fraction form
    5,797,157.82/7,999,324.82 = 3,218,340.38/x
  3. Step 3: Cross multiply
    5,797,157.82x = 7,999,324.82 × 3,218,340.38
  4. Step 4: Simplify right side
    5,797,157.82x = 25,744,550,080,942.23
  5. Step 5: Solve for x
    x = 25,744,550,080,942.23/5,797,157.82
  6. Step 6: Final answer
    x = 4,440,891.71

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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.