Home / 6,638,921.23-9,161,992.97-3,698,735.71

Finding the Fourth Proportional to 6,638,921.23, 9,161,992.97 and 3,698,735.71

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Solution

The fourth proportional to 6,638,921.23, 9,161,992.97 and 3,698,735.71 is: 5,104,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,921.23 : 9,161,992.97 = 3,698,735.71 : x
  2. Step 2: Convert to fraction form
    6,638,921.23/9,161,992.97 = 3,698,735.71/x
  3. Step 3: Cross multiply
    6,638,921.23x = 9,161,992.97 × 3,698,735.71
  4. Step 4: Simplify right side
    6,638,921.23x = 33,887,790,554,414.28
  5. Step 5: Solve for x
    x = 33,887,790,554,414.28/6,638,921.23
  6. Step 6: Final answer
    x = 5,104,412.20

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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.