Home / 2,191,612.80-3,285,086.40-843,254.40

Finding the Fourth Proportional to 2,191,612.80, 3,285,086.40 and 843,254.40

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Solution

The fourth proportional to 2,191,612.80, 3,285,086.40 and 843,254.40 is: 1,263,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,612.80 : 3,285,086.40 = 843,254.40 : x
  2. Step 2: Convert to fraction form
    2,191,612.80/3,285,086.40 = 843,254.40/x
  3. Step 3: Cross multiply
    2,191,612.80x = 3,285,086.40 × 843,254.40
  4. Step 4: Simplify right side
    2,191,612.80x = 2,770,163,561,180.16
  5. Step 5: Solve for x
    x = 2,770,163,561,180.16/2,191,612.80
  6. Step 6: Final answer
    x = 1,263,984.02

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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.