Home / 2,093,947.20-3,140,928.09-831,771.18

Finding the Fourth Proportional to 2,093,947.20, 3,140,928.09 and 831,771.18

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Solution

The fourth proportional to 2,093,947.20, 3,140,928.09 and 831,771.18 is: 1,247,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093,947.20 : 3,140,928.09 = 831,771.18 : x
  2. Step 2: Convert to fraction form
    2,093,947.20/3,140,928.09 = 831,771.18/x
  3. Step 3: Cross multiply
    2,093,947.20x = 3,140,928.09 × 831,771.18
  4. Step 4: Simplify right side
    2,093,947.20x = 2,612,533,463,714.45
  5. Step 5: Solve for x
    x = 2,612,533,463,714.45/2,093,947.20
  6. Step 6: Final answer
    x = 1,247,659.67

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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.