Home / 2,171,917.32-2,997,520.20-1,427,472.24

Finding the Fourth Proportional to 2,171,917.32, 2,997,520.20 and 1,427,472.24

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Solution

The fourth proportional to 2,171,917.32, 2,997,520.20 and 1,427,472.24 is: 1,970,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,917.32 : 2,997,520.20 = 1,427,472.24 : x
  2. Step 2: Convert to fraction form
    2,171,917.32/2,997,520.20 = 1,427,472.24/x
  3. Step 3: Cross multiply
    2,171,917.32x = 2,997,520.20 × 1,427,472.24
  4. Step 4: Simplify right side
    2,171,917.32x = 4,278,876,874,339.25
  5. Step 5: Solve for x
    x = 4,278,876,874,339.25/2,171,917.32
  6. Step 6: Final answer
    x = 1,970,091.97

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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.