Home / 3,138,659.92-4,703,605.52-1,696,233.80

Finding the Fourth Proportional to 3,138,659.92, 4,703,605.52 and 1,696,233.80

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Solution

The fourth proportional to 3,138,659.92, 4,703,605.52 and 1,696,233.80 is: 2,541,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,659.92 : 4,703,605.52 = 1,696,233.80 : x
  2. Step 2: Convert to fraction form
    3,138,659.92/4,703,605.52 = 1,696,233.80/x
  3. Step 3: Cross multiply
    3,138,659.92x = 4,703,605.52 × 1,696,233.80
  4. Step 4: Simplify right side
    3,138,659.92x = 7,978,414,664,890.58
  5. Step 5: Solve for x
    x = 7,978,414,664,890.58/3,138,659.92
  6. Step 6: Final answer
    x = 2,541,981.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.