Home / 2,632,721.10-3,949,081.65-1,285,747.80

Finding the Fourth Proportional to 2,632,721.10, 3,949,081.65 and 1,285,747.80

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Solution

The fourth proportional to 2,632,721.10, 3,949,081.65 and 1,285,747.80 is: 1,928,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,721.10 : 3,949,081.65 = 1,285,747.80 : x
  2. Step 2: Convert to fraction form
    2,632,721.10/3,949,081.65 = 1,285,747.80/x
  3. Step 3: Cross multiply
    2,632,721.10x = 3,949,081.65 × 1,285,747.80
  4. Step 4: Simplify right side
    2,632,721.10x = 5,077,523,043,507.87
  5. Step 5: Solve for x
    x = 5,077,523,043,507.87/2,632,721.10
  6. Step 6: Final answer
    x = 1,928,621.70

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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.