Home / 1,684,171.32-2,324,172.72-920,224.84

Finding the Fourth Proportional to 1,684,171.32, 2,324,172.72 and 920,224.84

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Solution

The fourth proportional to 1,684,171.32, 2,324,172.72 and 920,224.84 is: 1,269,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,171.32 : 2,324,172.72 = 920,224.84 : x
  2. Step 2: Convert to fraction form
    1,684,171.32/2,324,172.72 = 920,224.84/x
  3. Step 3: Cross multiply
    1,684,171.32x = 2,324,172.72 × 920,224.84
  4. Step 4: Simplify right side
    1,684,171.32x = 2,138,761,469,394.37
  5. Step 5: Solve for x
    x = 2,138,761,469,394.37/1,684,171.32
  6. Step 6: Final answer
    x = 1,269,919.18

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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.