Home / 5,362,205.20-7,399,791.04-3,991,677.84

Finding the Fourth Proportional to 5,362,205.20, 7,399,791.04 and 3,991,677.84

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Solution

The fourth proportional to 5,362,205.20, 7,399,791.04 and 3,991,677.84 is: 5,508,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362,205.20 : 7,399,791.04 = 3,991,677.84 : x
  2. Step 2: Convert to fraction form
    5,362,205.20/7,399,791.04 = 3,991,677.84/x
  3. Step 3: Cross multiply
    5,362,205.20x = 7,399,791.04 × 3,991,677.84
  4. Step 4: Simplify right side
    5,362,205.20x = 29,537,581,914,998.55
  5. Step 5: Solve for x
    x = 29,537,581,914,998.55/5,362,205.20
  6. Step 6: Final answer
    x = 5,508,476.61

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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.