Home / 5,618,762-7,753,912.12-3,040,442.80

Finding the Fourth Proportional to 5,618,762, 7,753,912.12 and 3,040,442.80

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Solution

The fourth proportional to 5,618,762, 7,753,912.12 and 3,040,442.80 is: 4,195,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,762 : 7,753,912.12 = 3,040,442.80 : x
  2. Step 2: Convert to fraction form
    5,618,762/7,753,912.12 = 3,040,442.80/x
  3. Step 3: Cross multiply
    5,618,762x = 7,753,912.12 × 3,040,442.80
  4. Step 4: Simplify right side
    5,618,762x = 23,575,326,277,086.73
  5. Step 5: Solve for x
    x = 23,575,326,277,086.73/5,618,762
  6. Step 6: Final answer
    x = 4,195,822.19

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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.