Home / 3,318,429.84-4,978,678.24-1,188,532.44

Finding the Fourth Proportional to 3,318,429.84, 4,978,678.24 and 1,188,532.44

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Solution

The fourth proportional to 3,318,429.84, 4,978,678.24 and 1,188,532.44 is: 1,783,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,429.84 : 4,978,678.24 = 1,188,532.44 : x
  2. Step 2: Convert to fraction form
    3,318,429.84/4,978,678.24 = 1,188,532.44/x
  3. Step 3: Cross multiply
    3,318,429.84x = 4,978,678.24 × 1,188,532.44
  4. Step 4: Simplify right side
    3,318,429.84x = 5,917,320,596,562.11
  5. Step 5: Solve for x
    x = 5,917,320,596,562.11/3,318,429.84
  6. Step 6: Final answer
    x = 1,783,168.81

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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.