Home / 6,320,722.58-8,722,531.65-3,420,049.46

Finding the Fourth Proportional to 6,320,722.58, 8,722,531.65 and 3,420,049.46

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Solution

The fourth proportional to 6,320,722.58, 8,722,531.65 and 3,420,049.46 is: 4,719,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,722.58 : 8,722,531.65 = 3,420,049.46 : x
  2. Step 2: Convert to fraction form
    6,320,722.58/8,722,531.65 = 3,420,049.46/x
  3. Step 3: Cross multiply
    6,320,722.58x = 8,722,531.65 × 3,420,049.46
  4. Step 4: Simplify right side
    6,320,722.58x = 29,831,489,659,415.41
  5. Step 5: Solve for x
    x = 29,831,489,659,415.41/6,320,722.58
  6. Step 6: Final answer
    x = 4,719,632.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.