Home / 2,665,878.30-3,992,912.55-2,193,486.30

Finding the Fourth Proportional to 2,665,878.30, 3,992,912.55 and 2,193,486.30

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Solution

The fourth proportional to 2,665,878.30, 3,992,912.55 and 2,193,486.30 is: 3,285,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,878.30 : 3,992,912.55 = 2,193,486.30 : x
  2. Step 2: Convert to fraction form
    2,665,878.30/3,992,912.55 = 2,193,486.30/x
  3. Step 3: Cross multiply
    2,665,878.30x = 3,992,912.55 × 2,193,486.30
  4. Step 4: Simplify right side
    2,665,878.30x = 8,758,398,975,523.06
  5. Step 5: Solve for x
    x = 8,758,398,975,523.06/2,665,878.30
  6. Step 6: Final answer
    x = 3,285,370.89

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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.