Home / 3,115,571.37-4,299,494.43-1,720,135.68

Finding the Fourth Proportional to 3,115,571.37, 4,299,494.43 and 1,720,135.68

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Solution

The fourth proportional to 3,115,571.37, 4,299,494.43 and 1,720,135.68 is: 2,373,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,571.37 : 4,299,494.43 = 1,720,135.68 : x
  2. Step 2: Convert to fraction form
    3,115,571.37/4,299,494.43 = 1,720,135.68/x
  3. Step 3: Cross multiply
    3,115,571.37x = 4,299,494.43 × 1,720,135.68
  4. Step 4: Simplify right side
    3,115,571.37x = 7,395,713,775,004.26
  5. Step 5: Solve for x
    x = 7,395,713,775,004.26/3,115,571.37
  6. Step 6: Final answer
    x = 2,373,790.52

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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.