Home / 5,180,221.60-7,770,332.40-2,903,408.80

Finding the Fourth Proportional to 5,180,221.60, 7,770,332.40 and 2,903,408.80

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Solution

The fourth proportional to 5,180,221.60, 7,770,332.40 and 2,903,408.80 is: 4,355,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,221.60 : 7,770,332.40 = 2,903,408.80 : x
  2. Step 2: Convert to fraction form
    5,180,221.60/7,770,332.40 = 2,903,408.80/x
  3. Step 3: Cross multiply
    5,180,221.60x = 7,770,332.40 × 2,903,408.80
  4. Step 4: Simplify right side
    5,180,221.60x = 22,560,451,469,085.12
  5. Step 5: Solve for x
    x = 22,560,451,469,085.12/5,180,221.60
  6. Step 6: Final answer
    x = 4,355,113.20

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1.5x scale

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.