Home / 2,131,680.60-3,197,520.90-1,536,816.60

Finding the Fourth Proportional to 2,131,680.60, 3,197,520.90 and 1,536,816.60

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Solution

The fourth proportional to 2,131,680.60, 3,197,520.90 and 1,536,816.60 is: 2,305,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,680.60 : 3,197,520.90 = 1,536,816.60 : x
  2. Step 2: Convert to fraction form
    2,131,680.60/3,197,520.90 = 1,536,816.60/x
  3. Step 3: Cross multiply
    2,131,680.60x = 3,197,520.90 × 1,536,816.60
  4. Step 4: Simplify right side
    2,131,680.60x = 4,914,003,197,966.94
  5. Step 5: Solve for x
    x = 4,914,003,197,966.94/2,131,680.60
  6. Step 6: Final answer
    x = 2,305,224.90

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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.