Home / 3,812,187.72-5,260,910.94-2,069,931.18

Finding the Fourth Proportional to 3,812,187.72, 5,260,910.94 and 2,069,931.18

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Solution

The fourth proportional to 3,812,187.72, 5,260,910.94 and 2,069,931.18 is: 2,856,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,187.72 : 5,260,910.94 = 2,069,931.18 : x
  2. Step 2: Convert to fraction form
    3,812,187.72/5,260,910.94 = 2,069,931.18/x
  3. Step 3: Cross multiply
    3,812,187.72x = 5,260,910.94 × 2,069,931.18
  4. Step 4: Simplify right side
    3,812,187.72x = 10,889,723,589,909.11
  5. Step 5: Solve for x
    x = 10,889,723,589,909.11/3,812,187.72
  6. Step 6: Final answer
    x = 2,856,554.92

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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.