Home / 3,083,221.20-4,624,601.40-1,285,640.40

Finding the Fourth Proportional to 3,083,221.20, 4,624,601.40 and 1,285,640.40

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Solution

The fourth proportional to 3,083,221.20, 4,624,601.40 and 1,285,640.40 is: 1,928,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083,221.20 : 4,624,601.40 = 1,285,640.40 : x
  2. Step 2: Convert to fraction form
    3,083,221.20/4,624,601.40 = 1,285,640.40/x
  3. Step 3: Cross multiply
    3,083,221.20x = 4,624,601.40 × 1,285,640.40
  4. Step 4: Simplify right side
    3,083,221.20x = 5,945,574,393,736.56
  5. Step 5: Solve for x
    x = 5,945,574,393,736.56/3,083,221.20
  6. Step 6: Final answer
    x = 1,928,364.53

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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.