Home / 2,132,181.18-2,942,402.96-1,165,311.20

Finding the Fourth Proportional to 2,132,181.18, 2,942,402.96 and 1,165,311.20

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Solution

The fourth proportional to 2,132,181.18, 2,942,402.96 and 1,165,311.20 is: 1,608,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,181.18 : 2,942,402.96 = 1,165,311.20 : x
  2. Step 2: Convert to fraction form
    2,132,181.18/2,942,402.96 = 1,165,311.20/x
  3. Step 3: Cross multiply
    2,132,181.18x = 2,942,402.96 × 1,165,311.20
  4. Step 4: Simplify right side
    2,132,181.18x = 3,428,815,103,662.58
  5. Step 5: Solve for x
    x = 3,428,815,103,662.58/2,132,181.18
  6. Step 6: Final answer
    x = 1,608,125.58

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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.