Home / 6,647,071.36-9,172,949.60-3,591,285.61

Finding the Fourth Proportional to 6,647,071.36, 9,172,949.60 and 3,591,285.61

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Solution

The fourth proportional to 6,647,071.36, 9,172,949.60 and 3,591,285.61 is: 4,955,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,071.36 : 9,172,949.60 = 3,591,285.61 : x
  2. Step 2: Convert to fraction form
    6,647,071.36/9,172,949.60 = 3,591,285.61/x
  3. Step 3: Cross multiply
    6,647,071.36x = 9,172,949.60 × 3,591,285.61
  4. Step 4: Simplify right side
    6,647,071.36x = 32,942,681,946,729.64
  5. Step 5: Solve for x
    x = 32,942,681,946,729.64/6,647,071.36
  6. Step 6: Final answer
    x = 4,955,969.35

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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.