Home / 6,380,921.08-8,805,776.04-3,480,311.96

Finding the Fourth Proportional to 6,380,921.08, 8,805,776.04 and 3,480,311.96

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Solution

The fourth proportional to 6,380,921.08, 8,805,776.04 and 3,480,311.96 is: 4,802,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380,921.08 : 8,805,776.04 = 3,480,311.96 : x
  2. Step 2: Convert to fraction form
    6,380,921.08/8,805,776.04 = 3,480,311.96/x
  3. Step 3: Cross multiply
    6,380,921.08x = 8,805,776.04 × 3,480,311.96
  4. Step 4: Simplify right side
    6,380,921.08x = 30,646,847,669,093.43
  5. Step 5: Solve for x
    x = 30,646,847,669,093.43/6,380,921.08
  6. Step 6: Final answer
    x = 4,802,887.75

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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.