Home / 3,939,122.68-5,911,339.41-1,380,360.60

Finding the Fourth Proportional to 3,939,122.68, 5,911,339.41 and 1,380,360.60

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Solution

The fourth proportional to 3,939,122.68, 5,911,339.41 and 1,380,360.60 is: 2,071,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,122.68 : 5,911,339.41 = 1,380,360.60 : x
  2. Step 2: Convert to fraction form
    3,939,122.68/5,911,339.41 = 1,380,360.60/x
  3. Step 3: Cross multiply
    3,939,122.68x = 5,911,339.41 × 1,380,360.60
  4. Step 4: Simplify right side
    3,939,122.68x = 8,159,780,014,791.25
  5. Step 5: Solve for x
    x = 8,159,780,014,791.25/3,939,122.68
  6. Step 6: Final answer
    x = 2,071,471.41

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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.