Home / 2,166,266.08-2,989,540.61-1,199,396.38

Finding the Fourth Proportional to 2,166,266.08, 2,989,540.61 and 1,199,396.38

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Solution

The fourth proportional to 2,166,266.08, 2,989,540.61 and 1,199,396.38 is: 1,655,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,266.08 : 2,989,540.61 = 1,199,396.38 : x
  2. Step 2: Convert to fraction form
    2,166,266.08/2,989,540.61 = 1,199,396.38/x
  3. Step 3: Cross multiply
    2,166,266.08x = 2,989,540.61 × 1,199,396.38
  4. Step 4: Simplify right side
    2,166,266.08x = 3,585,644,182,129.28
  5. Step 5: Solve for x
    x = 3,585,644,182,129.28/2,166,266.08
  6. Step 6: Final answer
    x = 1,655,218.73

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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.