Home / 4,847,346.98-7,269,128.78-2,115,729.86

Finding the Fourth Proportional to 4,847,346.98, 7,269,128.78 and 2,115,729.86

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Solution

The fourth proportional to 4,847,346.98, 7,269,128.78 and 2,115,729.86 is: 3,172,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847,346.98 : 7,269,128.78 = 2,115,729.86 : x
  2. Step 2: Convert to fraction form
    4,847,346.98/7,269,128.78 = 2,115,729.86/x
  3. Step 3: Cross multiply
    4,847,346.98x = 7,269,128.78 × 2,115,729.86
  4. Step 4: Simplify right side
    4,847,346.98x = 15,379,512,769,107.08
  5. Step 5: Solve for x
    x = 15,379,512,769,107.08/4,847,346.98
  6. Step 6: Final answer
    x = 3,172,769.11

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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.