Home / 2,618,999.80-3,929,666.10-1,198,324.60

Finding the Fourth Proportional to 2,618,999.80, 3,929,666.10 and 1,198,324.60

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Solution

The fourth proportional to 2,618,999.80, 3,929,666.10 and 1,198,324.60 is: 1,798,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,999.80 : 3,929,666.10 = 1,198,324.60 : x
  2. Step 2: Convert to fraction form
    2,618,999.80/3,929,666.10 = 1,198,324.60/x
  3. Step 3: Cross multiply
    2,618,999.80x = 3,929,666.10 × 1,198,324.60
  4. Step 4: Simplify right side
    2,618,999.80x = 4,709,015,557,416.06
  5. Step 5: Solve for x
    x = 4,709,015,557,416.06/2,618,999.80
  6. Step 6: Final answer
    x = 1,798,020.59

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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.