Home / 3,622,639.11-4,999,293.72-1,991,197.32

Finding the Fourth Proportional to 3,622,639.11, 4,999,293.72 and 1,991,197.32

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Solution

The fourth proportional to 3,622,639.11, 4,999,293.72 and 1,991,197.32 is: 2,747,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,639.11 : 4,999,293.72 = 1,991,197.32 : x
  2. Step 2: Convert to fraction form
    3,622,639.11/4,999,293.72 = 1,991,197.32/x
  3. Step 3: Cross multiply
    3,622,639.11x = 4,999,293.72 × 1,991,197.32
  4. Step 4: Simplify right side
    3,622,639.11x = 9,954,580,257,156.83
  5. Step 5: Solve for x
    x = 9,954,580,257,156.83/3,622,639.11
  6. Step 6: Final answer
    x = 2,747,880.75

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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.