Home / 2,085,690.96-3,128,997.24-755,960.40

Finding the Fourth Proportional to 2,085,690.96, 3,128,997.24 and 755,960.40

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Solution

The fourth proportional to 2,085,690.96, 3,128,997.24 and 755,960.40 is: 1,134,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,690.96 : 3,128,997.24 = 755,960.40 : x
  2. Step 2: Convert to fraction form
    2,085,690.96/3,128,997.24 = 755,960.40/x
  3. Step 3: Cross multiply
    2,085,690.96x = 3,128,997.24 × 755,960.40
  4. Step 4: Simplify right side
    2,085,690.96x = 2,365,398,005,149.30
  5. Step 5: Solve for x
    x = 2,365,398,005,149.30/2,085,690.96
  6. Step 6: Final answer
    x = 1,134,107.62

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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.