Home / 1,998,323.88-2,757,520.34-1,127,110.56

Finding the Fourth Proportional to 1,998,323.88, 2,757,520.34 and 1,127,110.56

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Solution

The fourth proportional to 1,998,323.88, 2,757,520.34 and 1,127,110.56 is: 1,555,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,323.88 : 2,757,520.34 = 1,127,110.56 : x
  2. Step 2: Convert to fraction form
    1,998,323.88/2,757,520.34 = 1,127,110.56/x
  3. Step 3: Cross multiply
    1,998,323.88x = 2,757,520.34 × 1,127,110.56
  4. Step 4: Simplify right side
    1,998,323.88x = 3,108,030,297,446.57
  5. Step 5: Solve for x
    x = 3,108,030,297,446.57/1,998,323.88
  6. Step 6: Final answer
    x = 1,555,318.60

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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.