Home / 3,188,938.86-4,399,631.46-2,043,650.70

Finding the Fourth Proportional to 3,188,938.86, 4,399,631.46 and 2,043,650.70

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Solution

The fourth proportional to 3,188,938.86, 4,399,631.46 and 2,043,650.70 is: 2,819,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,938.86 : 4,399,631.46 = 2,043,650.70 : x
  2. Step 2: Convert to fraction form
    3,188,938.86/4,399,631.46 = 2,043,650.70/x
  3. Step 3: Cross multiply
    3,188,938.86x = 4,399,631.46 × 2,043,650.70
  4. Step 4: Simplify right side
    3,188,938.86x = 8,991,309,912,971.02
  5. Step 5: Solve for x
    x = 8,991,309,912,971.02/3,188,938.86
  6. Step 6: Final answer
    x = 2,819,530.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.