Home / 6,640,217.39-9,163,258.08-3,699,882.56

Finding the Fourth Proportional to 6,640,217.39, 9,163,258.08 and 3,699,882.56

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Solution

The fourth proportional to 6,640,217.39, 9,163,258.08 and 3,699,882.56 is: 5,105,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,217.39 : 9,163,258.08 = 3,699,882.56 : x
  2. Step 2: Convert to fraction form
    6,640,217.39/9,163,258.08 = 3,699,882.56/x
  3. Step 3: Cross multiply
    6,640,217.39x = 9,163,258.08 × 3,699,882.56
  4. Step 4: Simplify right side
    6,640,217.39x = 33,902,978,721,563.52
  5. Step 5: Solve for x
    x = 33,902,978,721,563.52/6,640,217.39
  6. Step 6: Final answer
    x = 5,105,703.13

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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.