Home / 6,826,857.90-9,421,349.97-3,926,250.75

Finding the Fourth Proportional to 6,826,857.90, 9,421,349.97 and 3,926,250.75

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Solution

The fourth proportional to 6,826,857.90, 9,421,349.97 and 3,926,250.75 is: 5,418,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826,857.90 : 9,421,349.97 = 3,926,250.75 : x
  2. Step 2: Convert to fraction form
    6,826,857.90/9,421,349.97 = 3,926,250.75/x
  3. Step 3: Cross multiply
    6,826,857.90x = 9,421,349.97 × 3,926,250.75
  4. Step 4: Simplify right side
    6,826,857.90x = 36,990,582,385,724.98
  5. Step 5: Solve for x
    x = 36,990,582,385,724.98/6,826,857.90
  6. Step 6: Final answer
    x = 5,418,390.56

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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.