Home / 3,469,971.39-4,788,710.19-1,921,233.08

Finding the Fourth Proportional to 3,469,971.39, 4,788,710.19 and 1,921,233.08

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Solution

The fourth proportional to 3,469,971.39, 4,788,710.19 and 1,921,233.08 is: 2,651,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,971.39 : 4,788,710.19 = 1,921,233.08 : x
  2. Step 2: Convert to fraction form
    3,469,971.39/4,788,710.19 = 1,921,233.08/x
  3. Step 3: Cross multiply
    3,469,971.39x = 4,788,710.19 × 1,921,233.08
  4. Step 4: Simplify right side
    3,469,971.39x = 9,200,228,403,617.54
  5. Step 5: Solve for x
    x = 9,200,228,403,617.54/3,469,971.39
  6. Step 6: Final answer
    x = 2,651,384.51

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Double scale
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1.5x scale

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.