Home / 2,078,489.70-3,117,086.55-816,704.10

Finding the Fourth Proportional to 2,078,489.70, 3,117,086.55 and 816,704.10

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Solution

The fourth proportional to 2,078,489.70, 3,117,086.55 and 816,704.10 is: 1,224,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,489.70 : 3,117,086.55 = 816,704.10 : x
  2. Step 2: Convert to fraction form
    2,078,489.70/3,117,086.55 = 816,704.10/x
  3. Step 3: Cross multiply
    2,078,489.70x = 3,117,086.55 × 816,704.10
  4. Step 4: Simplify right side
    2,078,489.70x = 2,545,737,365,439.86
  5. Step 5: Solve for x
    x = 2,545,737,365,439.86/2,078,489.70
  6. Step 6: Final answer
    x = 1,224,801.53

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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.