Home / 4,429,485.60-6,640,081.20-3,469,408.80

Finding the Fourth Proportional to 4,429,485.60, 6,640,081.20 and 3,469,408.80

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Solution

The fourth proportional to 4,429,485.60, 6,640,081.20 and 3,469,408.80 is: 5,200,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,485.60 : 6,640,081.20 = 3,469,408.80 : x
  2. Step 2: Convert to fraction form
    4,429,485.60/6,640,081.20 = 3,469,408.80/x
  3. Step 3: Cross multiply
    4,429,485.60x = 6,640,081.20 × 3,469,408.80
  4. Step 4: Simplify right side
    4,429,485.60x = 23,037,156,147,994.56
  5. Step 5: Solve for x
    x = 23,037,156,147,994.56/4,429,485.60
  6. Step 6: Final answer
    x = 5,200,864.89

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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.