Home / 3,189,687.86-4,783,879.32-914,602.79

Finding the Fourth Proportional to 3,189,687.86, 4,783,879.32 and 914,602.79

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Solution

The fourth proportional to 3,189,687.86, 4,783,879.32 and 914,602.79 is: 1,371,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,687.86 : 4,783,879.32 = 914,602.79 : x
  2. Step 2: Convert to fraction form
    3,189,687.86/4,783,879.32 = 914,602.79/x
  3. Step 3: Cross multiply
    3,189,687.86x = 4,783,879.32 × 914,602.79
  4. Step 4: Simplify right side
    3,189,687.86x = 4,375,349,349,175.91
  5. Step 5: Solve for x
    x = 4,375,349,349,175.91/3,189,687.86
  6. Step 6: Final answer
    x = 1,371,717.09

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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.