Home / 1,522,076.38-2,100,218.58-910,481.86

Finding the Fourth Proportional to 1,522,076.38, 2,100,218.58 and 910,481.86

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Solution

The fourth proportional to 1,522,076.38, 2,100,218.58 and 910,481.86 is: 1,256,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,076.38 : 2,100,218.58 = 910,481.86 : x
  2. Step 2: Convert to fraction form
    1,522,076.38/2,100,218.58 = 910,481.86/x
  3. Step 3: Cross multiply
    1,522,076.38x = 2,100,218.58 × 910,481.86
  4. Step 4: Simplify right side
    1,522,076.38x = 1,912,210,919,124.96
  5. Step 5: Solve for x
    x = 1,912,210,919,124.96/1,522,076.38
  6. Step 6: Final answer
    x = 1,256,317.32

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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.