Home / 2,161,881.66-3,242,956.20-722,694.57

Finding the Fourth Proportional to 2,161,881.66, 3,242,956.20 and 722,694.57

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Solution

The fourth proportional to 2,161,881.66, 3,242,956.20 and 722,694.57 is: 1,084,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,881.66 : 3,242,956.20 = 722,694.57 : x
  2. Step 2: Convert to fraction form
    2,161,881.66/3,242,956.20 = 722,694.57/x
  3. Step 3: Cross multiply
    2,161,881.66x = 3,242,956.20 × 722,694.57
  4. Step 4: Simplify right side
    2,161,881.66x = 2,343,666,836,487.83
  5. Step 5: Solve for x
    x = 2,343,666,836,487.83/2,161,881.66
  6. Step 6: Final answer
    x = 1,084,086.55

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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.