Home / 1,988,715.93-2,744,339.46-1,161,866.13

Finding the Fourth Proportional to 1,988,715.93, 2,744,339.46 and 1,161,866.13

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Solution

The fourth proportional to 1,988,715.93, 2,744,339.46 and 1,161,866.13 is: 1,603,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,715.93 : 2,744,339.46 = 1,161,866.13 : x
  2. Step 2: Convert to fraction form
    1,988,715.93/2,744,339.46 = 1,161,866.13/x
  3. Step 3: Cross multiply
    1,988,715.93x = 2,744,339.46 × 1,161,866.13
  4. Step 4: Simplify right side
    1,988,715.93x = 3,188,555,067,796.49
  5. Step 5: Solve for x
    x = 3,188,555,067,796.49/1,988,715.93
  6. Step 6: Final answer
    x = 1,603,323.54

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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.