Home / 6,448,391.39-8,893,742.94-3,999,629.36

Finding the Fourth Proportional to 6,448,391.39, 8,893,742.94 and 3,999,629.36

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Solution

The fourth proportional to 6,448,391.39, 8,893,742.94 and 3,999,629.36 is: 5,516,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,391.39 : 8,893,742.94 = 3,999,629.36 : x
  2. Step 2: Convert to fraction form
    6,448,391.39/8,893,742.94 = 3,999,629.36/x
  3. Step 3: Cross multiply
    6,448,391.39x = 8,893,742.94 × 3,999,629.36
  4. Step 4: Simplify right side
    6,448,391.39x = 35,571,675,338,648
  5. Step 5: Solve for x
    x = 35,571,675,338,648/6,448,391.39
  6. Step 6: Final answer
    x = 5,516,364.19

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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.