Home / 3,106,010.70-4,661,640.45-1,214,109.90

Finding the Fourth Proportional to 3,106,010.70, 4,661,640.45 and 1,214,109.90

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Solution

The fourth proportional to 3,106,010.70, 4,661,640.45 and 1,214,109.90 is: 1,822,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,010.70 : 4,661,640.45 = 1,214,109.90 : x
  2. Step 2: Convert to fraction form
    3,106,010.70/4,661,640.45 = 1,214,109.90/x
  3. Step 3: Cross multiply
    3,106,010.70x = 4,661,640.45 × 1,214,109.90
  4. Step 4: Simplify right side
    3,106,010.70x = 5,659,743,820,585.46
  5. Step 5: Solve for x
    x = 5,659,743,820,585.46/3,106,010.70
  6. Step 6: Final answer
    x = 1,822,190.70

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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.