Home / 1,992,121.56-2,751,720.66-1,611,583.56

Finding the Fourth Proportional to 1,992,121.56, 2,751,720.66 and 1,611,583.56

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Solution

The fourth proportional to 1,992,121.56, 2,751,720.66 and 1,611,583.56 is: 2,226,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,121.56 : 2,751,720.66 = 1,611,583.56 : x
  2. Step 2: Convert to fraction form
    1,992,121.56/2,751,720.66 = 1,611,583.56/x
  3. Step 3: Cross multiply
    1,992,121.56x = 2,751,720.66 × 1,611,583.56
  4. Step 4: Simplify right side
    1,992,121.56x = 4,434,627,777,368.35
  5. Step 5: Solve for x
    x = 4,434,627,777,368.35/1,992,121.56
  6. Step 6: Final answer
    x = 2,226,082.92

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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.