Home / 3,864,400.22-5,332,625.60-2,145,520.28

Finding the Fourth Proportional to 3,864,400.22, 5,332,625.60 and 2,145,520.28

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Solution

The fourth proportional to 3,864,400.22, 5,332,625.60 and 2,145,520.28 is: 2,960,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,400.22 : 5,332,625.60 = 2,145,520.28 : x
  2. Step 2: Convert to fraction form
    3,864,400.22/5,332,625.60 = 2,145,520.28/x
  3. Step 3: Cross multiply
    3,864,400.22x = 5,332,625.60 × 2,145,520.28
  4. Step 4: Simplify right side
    3,864,400.22x = 11,441,256,370,447.17
  5. Step 5: Solve for x
    x = 11,441,256,370,447.17/3,864,400.22
  6. Step 6: Final answer
    x = 2,960,681.02

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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.