Home / 2,102,185.30-2,901,015-1,135,315.80

Finding the Fourth Proportional to 2,102,185.30, 2,901,015 and 1,135,315.80

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Solution

The fourth proportional to 2,102,185.30, 2,901,015 and 1,135,315.80 is: 1,566,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,185.30 : 2,901,015 = 1,135,315.80 : x
  2. Step 2: Convert to fraction form
    2,102,185.30/2,901,015 = 1,135,315.80/x
  3. Step 3: Cross multiply
    2,102,185.30x = 2,901,015 × 1,135,315.80
  4. Step 4: Simplify right side
    2,102,185.30x = 3,293,568,165,537
  5. Step 5: Solve for x
    x = 3,293,568,165,537/2,102,185.30
  6. Step 6: Final answer
    x = 1,566,735.42

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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.