Home / 2,138,704.48-3,208,056.72-718,760.56

Finding the Fourth Proportional to 2,138,704.48, 3,208,056.72 and 718,760.56

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Solution

The fourth proportional to 2,138,704.48, 3,208,056.72 and 718,760.56 is: 1,078,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,704.48 : 3,208,056.72 = 718,760.56 : x
  2. Step 2: Convert to fraction form
    2,138,704.48/3,208,056.72 = 718,760.56/x
  3. Step 3: Cross multiply
    2,138,704.48x = 3,208,056.72 × 718,760.56
  4. Step 4: Simplify right side
    2,138,704.48x = 2,305,824,644,578.96
  5. Step 5: Solve for x
    x = 2,305,824,644,578.96/2,138,704.48
  6. Step 6: Final answer
    x = 1,078,140.84

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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.