Home / 1,555,361.82-2,146,290.03-857,611.62

Finding the Fourth Proportional to 1,555,361.82, 2,146,290.03 and 857,611.62

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Solution

The fourth proportional to 1,555,361.82, 2,146,290.03 and 857,611.62 is: 1,183,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,361.82 : 2,146,290.03 = 857,611.62 : x
  2. Step 2: Convert to fraction form
    1,555,361.82/2,146,290.03 = 857,611.62/x
  3. Step 3: Cross multiply
    1,555,361.82x = 2,146,290.03 × 857,611.62
  4. Step 4: Simplify right side
    1,555,361.82x = 1,840,683,269,618.15
  5. Step 5: Solve for x
    x = 1,840,683,269,618.15/1,555,361.82
  6. Step 6: Final answer
    x = 1,183,443.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.