Home / 2,178,105.50-3,268,646.79-758,161.59

Finding the Fourth Proportional to 2,178,105.50, 3,268,646.79 and 758,161.59

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Solution

The fourth proportional to 2,178,105.50, 3,268,646.79 and 758,161.59 is: 1,137,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,105.50 : 3,268,646.79 = 758,161.59 : x
  2. Step 2: Convert to fraction form
    2,178,105.50/3,268,646.79 = 758,161.59/x
  3. Step 3: Cross multiply
    2,178,105.50x = 3,268,646.79 × 758,161.59
  4. Step 4: Simplify right side
    2,178,105.50x = 2,478,162,432,354.26
  5. Step 5: Solve for x
    x = 2,478,162,432,354.26/2,178,105.50
  6. Step 6: Final answer
    x = 1,137,760.51

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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.