Home / 5,167,929.38-7,131,672.93-2,876,089.46

Finding the Fourth Proportional to 5,167,929.38, 7,131,672.93 and 2,876,089.46

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Solution

The fourth proportional to 5,167,929.38, 7,131,672.93 and 2,876,089.46 is: 3,968,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,929.38 : 7,131,672.93 = 2,876,089.46 : x
  2. Step 2: Convert to fraction form
    5,167,929.38/7,131,672.93 = 2,876,089.46/x
  3. Step 3: Cross multiply
    5,167,929.38x = 7,131,672.93 × 2,876,089.46
  4. Step 4: Simplify right side
    5,167,929.38x = 20,511,329,346,140.32
  5. Step 5: Solve for x
    x = 20,511,329,346,140.32/5,167,929.38
  6. Step 6: Final answer
    x = 3,968,964.71

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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.