Home / 3,085,736.40-4,628,604.60-1,288,022.40

Finding the Fourth Proportional to 3,085,736.40, 4,628,604.60 and 1,288,022.40

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Solution

The fourth proportional to 3,085,736.40, 4,628,604.60 and 1,288,022.40 is: 1,932,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,736.40 : 4,628,604.60 = 1,288,022.40 : x
  2. Step 2: Convert to fraction form
    3,085,736.40/4,628,604.60 = 1,288,022.40/x
  3. Step 3: Cross multiply
    3,085,736.40x = 4,628,604.60 × 1,288,022.40
  4. Step 4: Simplify right side
    3,085,736.40x = 5,961,746,405,543.04
  5. Step 5: Solve for x
    x = 5,961,746,405,543.04/3,085,736.40
  6. Step 6: Final answer
    x = 1,932,033.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.