Home / 3,895,855.80-5,376,177.78-2,176,990.44

Finding the Fourth Proportional to 3,895,855.80, 5,376,177.78 and 2,176,990.44

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Solution

The fourth proportional to 3,895,855.80, 5,376,177.78 and 2,176,990.44 is: 3,004,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,855.80 : 5,376,177.78 = 2,176,990.44 : x
  2. Step 2: Convert to fraction form
    3,895,855.80/5,376,177.78 = 2,176,990.44/x
  3. Step 3: Cross multiply
    3,895,855.80x = 5,376,177.78 × 2,176,990.44
  4. Step 4: Simplify right side
    3,895,855.80x = 11,703,887,630,800.42
  5. Step 5: Solve for x
    x = 11,703,887,630,800.42/3,895,855.80
  6. Step 6: Final answer
    x = 3,004,189.13

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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.