Home / 3,618,945.20-5,429,468.37-1,458,855.42

Finding the Fourth Proportional to 3,618,945.20, 5,429,468.37 and 1,458,855.42

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Solution

The fourth proportional to 3,618,945.20, 5,429,468.37 and 1,458,855.42 is: 2,188,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,945.20 : 5,429,468.37 = 1,458,855.42 : x
  2. Step 2: Convert to fraction form
    3,618,945.20/5,429,468.37 = 1,458,855.42/x
  3. Step 3: Cross multiply
    3,618,945.20x = 5,429,468.37 × 1,458,855.42
  4. Step 4: Simplify right side
    3,618,945.20x = 7,920,809,351,998.79
  5. Step 5: Solve for x
    x = 7,920,809,351,998.79/3,618,945.20
  6. Step 6: Final answer
    x = 2,188,706.63

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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.