Home / 2,609,110.31-3,914,034.66-812,175.42

Finding the Fourth Proportional to 2,609,110.31, 3,914,034.66 and 812,175.42

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Solution

The fourth proportional to 2,609,110.31, 3,914,034.66 and 812,175.42 is: 1,218,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,110.31 : 3,914,034.66 = 812,175.42 : x
  2. Step 2: Convert to fraction form
    2,609,110.31/3,914,034.66 = 812,175.42/x
  3. Step 3: Cross multiply
    2,609,110.31x = 3,914,034.66 × 812,175.42
  4. Step 4: Simplify right side
    2,609,110.31x = 3,178,882,743,880.06
  5. Step 5: Solve for x
    x = 3,178,882,743,880.06/2,609,110.31
  6. Step 6: Final answer
    x = 1,218,378.06

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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.