Home / 3,618,196.08-5,426,143.21-1,188,789.38

Finding the Fourth Proportional to 3,618,196.08, 5,426,143.21 and 1,188,789.38

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Solution

The fourth proportional to 3,618,196.08, 5,426,143.21 and 1,188,789.38 is: 1,782,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,196.08 : 5,426,143.21 = 1,188,789.38 : x
  2. Step 2: Convert to fraction form
    3,618,196.08/5,426,143.21 = 1,188,789.38/x
  3. Step 3: Cross multiply
    3,618,196.08x = 5,426,143.21 × 1,188,789.38
  4. Step 4: Simplify right side
    3,618,196.08x = 6,450,541,422,407.11
  5. Step 5: Solve for x
    x = 6,450,541,422,407.11/3,618,196.08
  6. Step 6: Final answer
    x = 1,782,805.93

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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.