Home / 1,969,620.39-2,954,431.40-1,520,997.03

Finding the Fourth Proportional to 1,969,620.39, 2,954,431.40 and 1,520,997.03

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Solution

The fourth proportional to 1,969,620.39, 2,954,431.40 and 1,520,997.03 is: 2,281,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,620.39 : 2,954,431.40 = 1,520,997.03 : x
  2. Step 2: Convert to fraction form
    1,969,620.39/2,954,431.40 = 1,520,997.03/x
  3. Step 3: Cross multiply
    1,969,620.39x = 2,954,431.40 × 1,520,997.03
  4. Step 4: Simplify right side
    1,969,620.39x = 4,493,681,377,133.76
  5. Step 5: Solve for x
    x = 4,493,681,377,133.76/1,969,620.39
  6. Step 6: Final answer
    x = 2,281,496.17

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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.