Home / 2,734,015.20-4,101,022.80-840,510.60

Finding the Fourth Proportional to 2,734,015.20, 4,101,022.80 and 840,510.60

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Solution

The fourth proportional to 2,734,015.20, 4,101,022.80 and 840,510.60 is: 1,260,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734,015.20 : 4,101,022.80 = 840,510.60 : x
  2. Step 2: Convert to fraction form
    2,734,015.20/4,101,022.80 = 840,510.60/x
  3. Step 3: Cross multiply
    2,734,015.20x = 4,101,022.80 × 840,510.60
  4. Step 4: Simplify right side
    2,734,015.20x = 3,446,953,134,241.68
  5. Step 5: Solve for x
    x = 3,446,953,134,241.68/2,734,015.20
  6. Step 6: Final answer
    x = 1,260,765.90

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Similar ratio
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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.