Home / 3,105,998.20-4,661,621.70-1,214,097.40

Finding the Fourth Proportional to 3,105,998.20, 4,661,621.70 and 1,214,097.40

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Solution

The fourth proportional to 3,105,998.20, 4,661,621.70 and 1,214,097.40 is: 1,822,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,998.20 : 4,661,621.70 = 1,214,097.40 : x
  2. Step 2: Convert to fraction form
    3,105,998.20/4,661,621.70 = 1,214,097.40/x
  3. Step 3: Cross multiply
    3,105,998.20x = 4,661,621.70 × 1,214,097.40
  4. Step 4: Simplify right side
    3,105,998.20x = 5,659,662,785,753.58
  5. Step 5: Solve for x
    x = 5,659,662,785,753.58/3,105,998.20
  6. Step 6: Final answer
    x = 1,822,171.95

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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.