Home / 3,809,965.84-5,257,903.24-2,091,144.40

Finding the Fourth Proportional to 3,809,965.84, 5,257,903.24 and 2,091,144.40

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Solution

The fourth proportional to 3,809,965.84, 5,257,903.24 and 2,091,144.40 is: 2,885,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,965.84 : 5,257,903.24 = 2,091,144.40 : x
  2. Step 2: Convert to fraction form
    3,809,965.84/5,257,903.24 = 2,091,144.40/x
  3. Step 3: Cross multiply
    3,809,965.84x = 5,257,903.24 × 2,091,144.40
  4. Step 4: Simplify right side
    3,809,965.84x = 10,995,034,916,067.86
  5. Step 5: Solve for x
    x = 10,995,034,916,067.86/3,809,965.84
  6. Step 6: Final answer
    x = 2,885,861.81

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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.