Home / 6,747,307.20-10,120,961.34-1,954,999.80

Finding the Fourth Proportional to 6,747,307.20, 10,120,961.34 and 1,954,999.80

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Solution

The fourth proportional to 6,747,307.20, 10,120,961.34 and 1,954,999.80 is: 2,932,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747,307.20 : 10,120,961.34 = 1,954,999.80 : x
  2. Step 2: Convert to fraction form
    6,747,307.20/10,120,961.34 = 1,954,999.80/x
  3. Step 3: Cross multiply
    6,747,307.20x = 10,120,961.34 × 1,954,999.80
  4. Step 4: Simplify right side
    6,747,307.20x = 19,786,477,395,507.73
  5. Step 5: Solve for x
    x = 19,786,477,395,507.73/6,747,307.20
  6. Step 6: Final answer
    x = 2,932,499.86

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1.5x scale

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.