Home / 3,640,691.95-5,457,198.93-1,211,196.25

Finding the Fourth Proportional to 3,640,691.95, 5,457,198.93 and 1,211,196.25

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Solution

The fourth proportional to 3,640,691.95, 5,457,198.93 and 1,211,196.25 is: 1,815,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,691.95 : 5,457,198.93 = 1,211,196.25 : x
  2. Step 2: Convert to fraction form
    3,640,691.95/5,457,198.93 = 1,211,196.25/x
  3. Step 3: Cross multiply
    3,640,691.95x = 5,457,198.93 × 1,211,196.25
  4. Step 4: Simplify right side
    3,640,691.95x = 6,609,738,879,520.01
  5. Step 5: Solve for x
    x = 6,609,738,879,520.01/3,640,691.95
  6. Step 6: Final answer
    x = 1,815,517.21

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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.