Home / 1,998,567.70-2,758,924.11-1,274,388.82

Finding the Fourth Proportional to 1,998,567.70, 2,758,924.11 and 1,274,388.82

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Solution

The fourth proportional to 1,998,567.70, 2,758,924.11 and 1,274,388.82 is: 1,759,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,567.70 : 2,758,924.11 = 1,274,388.82 : x
  2. Step 2: Convert to fraction form
    1,998,567.70/2,758,924.11 = 1,274,388.82/x
  3. Step 3: Cross multiply
    1,998,567.70x = 2,758,924.11 × 1,274,388.82
  4. Step 4: Simplify right side
    1,998,567.70x = 3,515,942,041,012.45
  5. Step 5: Solve for x
    x = 3,515,942,041,012.45/1,998,567.70
  6. Step 6: Final answer
    x = 1,759,230.89

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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.