Home / 1,945,591.62-2,684,961.81-1,220,469.94

Finding the Fourth Proportional to 1,945,591.62, 2,684,961.81 and 1,220,469.94

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Solution

The fourth proportional to 1,945,591.62, 2,684,961.81 and 1,220,469.94 is: 1,684,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,591.62 : 2,684,961.81 = 1,220,469.94 : x
  2. Step 2: Convert to fraction form
    1,945,591.62/2,684,961.81 = 1,220,469.94/x
  3. Step 3: Cross multiply
    1,945,591.62x = 2,684,961.81 × 1,220,469.94
  4. Step 4: Simplify right side
    1,945,591.62x = 3,276,915,179,152.99
  5. Step 5: Solve for x
    x = 3,276,915,179,152.99/1,945,591.62
  6. Step 6: Final answer
    x = 1,684,276.98

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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.