Home / 5,519,123.75-7,616,641.68-3,071,891.61

Finding the Fourth Proportional to 5,519,123.75, 7,616,641.68 and 3,071,891.61

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Solution

The fourth proportional to 5,519,123.75, 7,616,641.68 and 3,071,891.61 is: 4,239,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519,123.75 : 7,616,641.68 = 3,071,891.61 : x
  2. Step 2: Convert to fraction form
    5,519,123.75/7,616,641.68 = 3,071,891.61/x
  3. Step 3: Cross multiply
    5,519,123.75x = 7,616,641.68 × 3,071,891.61
  4. Step 4: Simplify right side
    5,519,123.75x = 23,397,497,673,168.30
  5. Step 5: Solve for x
    x = 23,397,497,673,168.30/5,519,123.75
  6. Step 6: Final answer
    x = 4,239,350.07

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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.