Home / 6,320,777.22-8,722,644.57-3,420,219.47

Finding the Fourth Proportional to 6,320,777.22, 8,722,644.57 and 3,420,219.47

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Solution

The fourth proportional to 6,320,777.22, 8,722,644.57 and 3,420,219.47 is: 4,719,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,777.22 : 8,722,644.57 = 3,420,219.47 : x
  2. Step 2: Convert to fraction form
    6,320,777.22/8,722,644.57 = 3,420,219.47/x
  3. Step 3: Cross multiply
    6,320,777.22x = 8,722,644.57 × 3,420,219.47
  4. Step 4: Simplify right side
    6,320,777.22x = 29,833,358,744,590.55
  5. Step 5: Solve for x
    x = 29,833,358,744,590.55/6,320,777.22
  6. Step 6: Final answer
    x = 4,719,887.71

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1.5x scale

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.