Home / 6,174,227.67-8,520,321.40-3,420,905.05

Finding the Fourth Proportional to 6,174,227.67, 8,520,321.40 and 3,420,905.05

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Solution

The fourth proportional to 6,174,227.67, 8,520,321.40 and 3,420,905.05 is: 4,720,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174,227.67 : 8,520,321.40 = 3,420,905.05 : x
  2. Step 2: Convert to fraction form
    6,174,227.67/8,520,321.40 = 3,420,905.05/x
  3. Step 3: Cross multiply
    6,174,227.67x = 8,520,321.40 × 3,420,905.05
  4. Step 4: Simplify right side
    6,174,227.67x = 29,147,210,504,883.07
  5. Step 5: Solve for x
    x = 29,147,210,504,883.07/6,174,227.67
  6. Step 6: Final answer
    x = 4,720,786.48

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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.