Home / 3,386,879.42-4,673,891.79-1,916,761.28

Finding the Fourth Proportional to 3,386,879.42, 4,673,891.79 and 1,916,761.28

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Solution

The fourth proportional to 3,386,879.42, 4,673,891.79 and 1,916,761.28 is: 2,645,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,879.42 : 4,673,891.79 = 1,916,761.28 : x
  2. Step 2: Convert to fraction form
    3,386,879.42/4,673,891.79 = 1,916,761.28/x
  3. Step 3: Cross multiply
    3,386,879.42x = 4,673,891.79 × 1,916,761.28
  4. Step 4: Simplify right side
    3,386,879.42x = 8,958,734,786,612.43
  5. Step 5: Solve for x
    x = 8,958,734,786,612.43/3,386,879.42
  6. Step 6: Final answer
    x = 2,645,129.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.