Home / 1,900,169.09-2,622,233.40-1,040,729.28

Finding the Fourth Proportional to 1,900,169.09, 2,622,233.40 and 1,040,729.28

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Solution

The fourth proportional to 1,900,169.09, 2,622,233.40 and 1,040,729.28 is: 1,436,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,169.09 : 2,622,233.40 = 1,040,729.28 : x
  2. Step 2: Convert to fraction form
    1,900,169.09/2,622,233.40 = 1,040,729.28/x
  3. Step 3: Cross multiply
    1,900,169.09x = 2,622,233.40 × 1,040,729.28
  4. Step 4: Simplify right side
    1,900,169.09x = 2,729,035,070,491.94
  5. Step 5: Solve for x
    x = 2,729,035,070,491.94/1,900,169.09
  6. Step 6: Final answer
    x = 1,436,206.43

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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.