Home / 2,978,299.80-4,467,449.70-848,356.20

Finding the Fourth Proportional to 2,978,299.80, 4,467,449.70 and 848,356.20

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Solution

The fourth proportional to 2,978,299.80, 4,467,449.70 and 848,356.20 is: 1,272,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,299.80 : 4,467,449.70 = 848,356.20 : x
  2. Step 2: Convert to fraction form
    2,978,299.80/4,467,449.70 = 848,356.20/x
  3. Step 3: Cross multiply
    2,978,299.80x = 4,467,449.70 × 848,356.20
  4. Step 4: Simplify right side
    2,978,299.80x = 3,789,988,651,183.14
  5. Step 5: Solve for x
    x = 3,789,988,651,183.14/2,978,299.80
  6. Step 6: Final answer
    x = 1,272,534.30

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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.