Home / 5,289,608.34-7,933,781.79-3,131,923.86

Finding the Fourth Proportional to 5,289,608.34, 7,933,781.79 and 3,131,923.86

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Solution

The fourth proportional to 5,289,608.34, 7,933,781.79 and 3,131,923.86 is: 4,697,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,608.34 : 7,933,781.79 = 3,131,923.86 : x
  2. Step 2: Convert to fraction form
    5,289,608.34/7,933,781.79 = 3,131,923.86/x
  3. Step 3: Cross multiply
    5,289,608.34x = 7,933,781.79 × 3,131,923.86
  4. Step 4: Simplify right side
    5,289,608.34x = 24,848,000,488,134.51
  5. Step 5: Solve for x
    x = 24,848,000,488,134.51/5,289,608.34
  6. Step 6: Final answer
    x = 4,697,512.35

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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.