Home / 1,902,538.70-2,850,005.68-1,143,964.80

Finding the Fourth Proportional to 1,902,538.70, 2,850,005.68 and 1,143,964.80

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Solution

The fourth proportional to 1,902,538.70, 2,850,005.68 and 1,143,964.80 is: 1,713,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,538.70 : 2,850,005.68 = 1,143,964.80 : x
  2. Step 2: Convert to fraction form
    1,902,538.70/2,850,005.68 = 1,143,964.80/x
  3. Step 3: Cross multiply
    1,902,538.70x = 2,850,005.68 × 1,143,964.80
  4. Step 4: Simplify right side
    1,902,538.70x = 3,260,306,177,720.06
  5. Step 5: Solve for x
    x = 3,260,306,177,720.06/1,902,538.70
  6. Step 6: Final answer
    x = 1,713,660.90

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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.