Home / 3,388,195.32-5,082,431.49-863,916.18

Finding the Fourth Proportional to 3,388,195.32, 5,082,431.49 and 863,916.18

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Solution

The fourth proportional to 3,388,195.32, 5,082,431.49 and 863,916.18 is: 1,295,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,195.32 : 5,082,431.49 = 863,916.18 : x
  2. Step 2: Convert to fraction form
    3,388,195.32/5,082,431.49 = 863,916.18/x
  3. Step 3: Cross multiply
    3,388,195.32x = 5,082,431.49 × 863,916.18
  4. Step 4: Simplify right side
    3,388,195.32x = 4,390,794,797,952.51
  5. Step 5: Solve for x
    x = 4,390,794,797,952.51/3,388,195.32
  6. Step 6: Final answer
    x = 1,295,909.59

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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.