Home / 1,899,829.73-2,621,745.36-1,028,649.44

Finding the Fourth Proportional to 1,899,829.73, 2,621,745.36 and 1,028,649.44

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Solution

The fourth proportional to 1,899,829.73, 2,621,745.36 and 1,028,649.44 is: 1,419,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,829.73 : 2,621,745.36 = 1,028,649.44 : x
  2. Step 2: Convert to fraction form
    1,899,829.73/2,621,745.36 = 1,028,649.44/x
  3. Step 3: Cross multiply
    1,899,829.73x = 2,621,745.36 × 1,028,649.44
  4. Step 4: Simplify right side
    1,899,829.73x = 2,696,856,883,277.87
  5. Step 5: Solve for x
    x = 2,696,856,883,277.87/1,899,829.73
  6. Step 6: Final answer
    x = 1,419,525.57

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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.