Home / 3,976,786.64-5,488,588.86-2,345,373.32

Finding the Fourth Proportional to 3,976,786.64, 5,488,588.86 and 2,345,373.32

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Solution

The fourth proportional to 3,976,786.64, 5,488,588.86 and 2,345,373.32 is: 3,236,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,786.64 : 5,488,588.86 = 2,345,373.32 : x
  2. Step 2: Convert to fraction form
    3,976,786.64/5,488,588.86 = 2,345,373.32/x
  3. Step 3: Cross multiply
    3,976,786.64x = 5,488,588.86 × 2,345,373.32
  4. Step 4: Simplify right side
    3,976,786.64x = 12,872,789,876,693.21
  5. Step 5: Solve for x
    x = 12,872,789,876,693.21/3,976,786.64
  6. Step 6: Final answer
    x = 3,236,982.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.