Home / 2,165,523.96-2,988,346.86-1,198,656.12

Finding the Fourth Proportional to 2,165,523.96, 2,988,346.86 and 1,198,656.12

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Solution

The fourth proportional to 2,165,523.96, 2,988,346.86 and 1,198,656.12 is: 1,654,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,523.96 : 2,988,346.86 = 1,198,656.12 : x
  2. Step 2: Convert to fraction form
    2,165,523.96/2,988,346.86 = 1,198,656.12/x
  3. Step 3: Cross multiply
    2,165,523.96x = 2,988,346.86 × 1,198,656.12
  4. Step 4: Simplify right side
    2,165,523.96x = 3,582,000,252,421.78
  5. Step 5: Solve for x
    x = 3,582,000,252,421.78/2,165,523.96
  6. Step 6: Final answer
    x = 1,654,103.26

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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.