Home / 3,129,946.39-4,696,664.03-1,690,600.75

Finding the Fourth Proportional to 3,129,946.39, 4,696,664.03 and 1,690,600.75

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Solution

The fourth proportional to 3,129,946.39, 4,696,664.03 and 1,690,600.75 is: 2,536,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,946.39 : 4,696,664.03 = 1,690,600.75 : x
  2. Step 2: Convert to fraction form
    3,129,946.39/4,696,664.03 = 1,690,600.75/x
  3. Step 3: Cross multiply
    3,129,946.39x = 4,696,664.03 × 1,690,600.75
  4. Step 4: Simplify right side
    3,129,946.39x = 7,940,183,731,616.02
  5. Step 5: Solve for x
    x = 7,940,183,731,616.02/3,129,946.39
  6. Step 6: Final answer
    x = 2,536,843.36

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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.