Home / 2,132,181.42-2,942,403.31-1,165,311.45

Finding the Fourth Proportional to 2,132,181.42, 2,942,403.31 and 1,165,311.45

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Solution

The fourth proportional to 2,132,181.42, 2,942,403.31 and 1,165,311.45 is: 1,608,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,181.42 : 2,942,403.31 = 1,165,311.45 : x
  2. Step 2: Convert to fraction form
    2,132,181.42/2,942,403.31 = 1,165,311.45/x
  3. Step 3: Cross multiply
    2,132,181.42x = 2,942,403.31 × 1,165,311.45
  4. Step 4: Simplify right side
    2,132,181.42x = 3,428,816,267,660.90
  5. Step 5: Solve for x
    x = 3,428,816,267,660.90/2,132,181.42
  6. Step 6: Final answer
    x = 1,608,125.95

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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.