Home / 1,986,805-2,741,796.12-1,127,362.96

Finding the Fourth Proportional to 1,986,805, 2,741,796.12 and 1,127,362.96

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Solution

The fourth proportional to 1,986,805, 2,741,796.12 and 1,127,362.96 is: 1,555,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,805 : 2,741,796.12 = 1,127,362.96 : x
  2. Step 2: Convert to fraction form
    1,986,805/2,741,796.12 = 1,127,362.96/x
  3. Step 3: Cross multiply
    1,986,805x = 2,741,796.12 × 1,127,362.96
  4. Step 4: Simplify right side
    1,986,805x = 3,090,999,389,559.72
  5. Step 5: Solve for x
    x = 3,090,999,389,559.72/1,986,805
  6. Step 6: Final answer
    x = 1,555,763.85

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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.