Home / 3,545,431.80-5,311,926.90-2,910,910.20

Finding the Fourth Proportional to 3,545,431.80, 5,311,926.90 and 2,910,910.20

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Solution

The fourth proportional to 3,545,431.80, 5,311,926.90 and 2,910,910.20 is: 4,361,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,431.80 : 5,311,926.90 = 2,910,910.20 : x
  2. Step 2: Convert to fraction form
    3,545,431.80/5,311,926.90 = 2,910,910.20/x
  3. Step 3: Cross multiply
    3,545,431.80x = 5,311,926.90 × 2,910,910.20
  4. Step 4: Simplify right side
    3,545,431.80x = 15,462,542,194,864.38
  5. Step 5: Solve for x
    x = 15,462,542,194,864.38/3,545,431.80
  6. Step 6: Final answer
    x = 4,361,257.83

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1.5x scale

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.