Home / 3,945,145.95-5,917,777.25-1,105,078.59

Finding the Fourth Proportional to 3,945,145.95, 5,917,777.25 and 1,105,078.59

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Solution

The fourth proportional to 3,945,145.95, 5,917,777.25 and 1,105,078.59 is: 1,657,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,145.95 : 5,917,777.25 = 1,105,078.59 : x
  2. Step 2: Convert to fraction form
    3,945,145.95/5,917,777.25 = 1,105,078.59/x
  3. Step 3: Cross multiply
    3,945,145.95x = 5,917,777.25 × 1,105,078.59
  4. Step 4: Simplify right side
    3,945,145.95x = 6,539,608,933,838.69
  5. Step 5: Solve for x
    x = 6,539,608,933,838.69/3,945,145.95
  6. Step 6: Final answer
    x = 1,657,634.22

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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.