Home / 5,388,633.80-8,082,950.70-3,869,106.20

Finding the Fourth Proportional to 5,388,633.80, 8,082,950.70 and 3,869,106.20

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Solution

The fourth proportional to 5,388,633.80, 8,082,950.70 and 3,869,106.20 is: 5,803,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,633.80 : 8,082,950.70 = 3,869,106.20 : x
  2. Step 2: Convert to fraction form
    5,388,633.80/8,082,950.70 = 3,869,106.20/x
  3. Step 3: Cross multiply
    5,388,633.80x = 8,082,950.70 × 3,869,106.20
  4. Step 4: Simplify right side
    5,388,633.80x = 31,273,794,667,664.34
  5. Step 5: Solve for x
    x = 31,273,794,667,664.34/5,388,633.80
  6. Step 6: Final answer
    x = 5,803,659.30

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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.