Home / 1,998,566.70-2,758,922.73-1,274,387.82

Finding the Fourth Proportional to 1,998,566.70, 2,758,922.73 and 1,274,387.82

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Solution

The fourth proportional to 1,998,566.70, 2,758,922.73 and 1,274,387.82 is: 1,759,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,566.70 : 2,758,922.73 = 1,274,387.82 : x
  2. Step 2: Convert to fraction form
    1,998,566.70/2,758,922.73 = 1,274,387.82/x
  3. Step 3: Cross multiply
    1,998,566.70x = 2,758,922.73 × 1,274,387.82
  4. Step 4: Simplify right side
    1,998,566.70x = 3,515,937,523,433.15
  5. Step 5: Solve for x
    x = 3,515,937,523,433.15/1,998,566.70
  6. Step 6: Final answer
    x = 1,759,229.51

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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.