Home / 2,077,679.36-3,121,513.32-1,962,976.88

Finding the Fourth Proportional to 2,077,679.36, 3,121,513.32 and 1,962,976.88

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Solution

The fourth proportional to 2,077,679.36, 3,121,513.32 and 1,962,976.88 is: 2,949,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,679.36 : 3,121,513.32 = 1,962,976.88 : x
  2. Step 2: Convert to fraction form
    2,077,679.36/3,121,513.32 = 1,962,976.88/x
  3. Step 3: Cross multiply
    2,077,679.36x = 3,121,513.32 × 1,962,976.88
  4. Step 4: Simplify right side
    2,077,679.36x = 6,127,458,477,772.04
  5. Step 5: Solve for x
    x = 6,127,458,477,772.04/2,077,679.36
  6. Step 6: Final answer
    x = 2,949,183.88

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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.