Home / 5,239,663.30-7,859,044.74-3,189,791.86

Finding the Fourth Proportional to 5,239,663.30, 7,859,044.74 and 3,189,791.86

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Solution

The fourth proportional to 5,239,663.30, 7,859,044.74 and 3,189,791.86 is: 4,784,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,663.30 : 7,859,044.74 = 3,189,791.86 : x
  2. Step 2: Convert to fraction form
    5,239,663.30/7,859,044.74 = 3,189,791.86/x
  3. Step 3: Cross multiply
    5,239,663.30x = 7,859,044.74 × 3,189,791.86
  4. Step 4: Simplify right side
    5,239,663.30x = 25,068,716,939,027.82
  5. Step 5: Solve for x
    x = 25,068,716,939,027.82/5,239,663.30
  6. Step 6: Final answer
    x = 4,784,413.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.