Home / 1,899,778.28-2,621,615.29-1,040,323.73

Finding the Fourth Proportional to 1,899,778.28, 2,621,615.29 and 1,040,323.73

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Solution

The fourth proportional to 1,899,778.28, 2,621,615.29 and 1,040,323.73 is: 1,435,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,778.28 : 2,621,615.29 = 1,040,323.73 : x
  2. Step 2: Convert to fraction form
    1,899,778.28/2,621,615.29 = 1,040,323.73/x
  3. Step 3: Cross multiply
    1,899,778.28x = 2,621,615.29 × 1,040,323.73
  4. Step 4: Simplify right side
    1,899,778.28x = 2,727,328,581,408.95
  5. Step 5: Solve for x
    x = 2,727,328,581,408.95/1,899,778.28
  6. Step 6: Final answer
    x = 1,435,603.63

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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.