Home / 1,728,782.83-2,591,074.68-1,223,491.51

Finding the Fourth Proportional to 1,728,782.83, 2,591,074.68 and 1,223,491.51

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Solution

The fourth proportional to 1,728,782.83, 2,591,074.68 and 1,223,491.51 is: 1,833,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,782.83 : 2,591,074.68 = 1,223,491.51 : x
  2. Step 2: Convert to fraction form
    1,728,782.83/2,591,074.68 = 1,223,491.51/x
  3. Step 3: Cross multiply
    1,728,782.83x = 2,591,074.68 × 1,223,491.51
  4. Step 4: Simplify right side
    1,728,782.83x = 3,170,157,872,755.97
  5. Step 5: Solve for x
    x = 3,170,157,872,755.97/1,728,782.83
  6. Step 6: Final answer
    x = 1,833,751.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.