Home / 1,650,138.20-2,474,861.70-809,293.40

Finding the Fourth Proportional to 1,650,138.20, 2,474,861.70 and 809,293.40

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Solution

The fourth proportional to 1,650,138.20, 2,474,861.70 and 809,293.40 is: 1,213,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,138.20 : 2,474,861.70 = 809,293.40 : x
  2. Step 2: Convert to fraction form
    1,650,138.20/2,474,861.70 = 809,293.40/x
  3. Step 3: Cross multiply
    1,650,138.20x = 2,474,861.70 × 809,293.40
  4. Step 4: Simplify right side
    1,650,138.20x = 2,002,889,239,722.78
  5. Step 5: Solve for x
    x = 2,002,889,239,722.78/1,650,138.20
  6. Step 6: Final answer
    x = 1,213,770.60

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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.