Home / 1,999,881.62-2,759,829-1,082,112.53

Finding the Fourth Proportional to 1,999,881.62, 2,759,829 and 1,082,112.53

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Solution

The fourth proportional to 1,999,881.62, 2,759,829 and 1,082,112.53 is: 1,493,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,881.62 : 2,759,829 = 1,082,112.53 : x
  2. Step 2: Convert to fraction form
    1,999,881.62/2,759,829 = 1,082,112.53/x
  3. Step 3: Cross multiply
    1,999,881.62x = 2,759,829 × 1,082,112.53
  4. Step 4: Simplify right side
    1,999,881.62x = 2,986,445,548,456.94
  5. Step 5: Solve for x
    x = 2,986,445,548,456.94/1,999,881.62
  6. Step 6: Final answer
    x = 1,493,311.17

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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.