Home / 6,388,454.70-8,816,022.45-3,487,845.42

Finding the Fourth Proportional to 6,388,454.70, 8,816,022.45 and 3,487,845.42

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Solution

The fourth proportional to 6,388,454.70, 8,816,022.45 and 3,487,845.42 is: 4,813,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,454.70 : 8,816,022.45 = 3,487,845.42 : x
  2. Step 2: Convert to fraction form
    6,388,454.70/8,816,022.45 = 3,487,845.42/x
  3. Step 3: Cross multiply
    6,388,454.70x = 8,816,022.45 × 3,487,845.42
  4. Step 4: Simplify right side
    6,388,454.70x = 30,748,923,524,849.68
  5. Step 5: Solve for x
    x = 30,748,923,524,849.68/6,388,454.70
  6. Step 6: Final answer
    x = 4,813,202.09

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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.