Home / 3,899,441.80-5,381,192.82-2,180,542.60

Finding the Fourth Proportional to 3,899,441.80, 5,381,192.82 and 2,180,542.60

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Solution

The fourth proportional to 3,899,441.80, 5,381,192.82 and 2,180,542.60 is: 3,009,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,441.80 : 5,381,192.82 = 2,180,542.60 : x
  2. Step 2: Convert to fraction form
    3,899,441.80/5,381,192.82 = 2,180,542.60/x
  3. Step 3: Cross multiply
    3,899,441.80x = 5,381,192.82 × 2,180,542.60
  4. Step 4: Simplify right side
    3,899,441.80x = 11,733,920,182,824.13
  5. Step 5: Solve for x
    x = 11,733,920,182,824.13/3,899,441.80
  6. Step 6: Final answer
    x = 3,009,128.17

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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.