Home / 3,622,651.11-4,999,310.28-1,991,209.32

Finding the Fourth Proportional to 3,622,651.11, 4,999,310.28 and 1,991,209.32

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Solution

The fourth proportional to 3,622,651.11, 4,999,310.28 and 1,991,209.32 is: 2,747,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,651.11 : 4,999,310.28 = 1,991,209.32 : x
  2. Step 2: Convert to fraction form
    3,622,651.11/4,999,310.28 = 1,991,209.32/x
  3. Step 3: Cross multiply
    3,622,651.11x = 4,999,310.28 × 1,991,209.32
  4. Step 4: Simplify right side
    3,622,651.11x = 9,954,673,223,107.81
  5. Step 5: Solve for x
    x = 9,954,673,223,107.81/3,622,651.11
  6. Step 6: Final answer
    x = 2,747,897.31

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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.