Home / 2,127,620.80-3,191,431.20-1,064,738.80

Finding the Fourth Proportional to 2,127,620.80, 3,191,431.20 and 1,064,738.80

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Solution

The fourth proportional to 2,127,620.80, 3,191,431.20 and 1,064,738.80 is: 1,597,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,620.80 : 3,191,431.20 = 1,064,738.80 : x
  2. Step 2: Convert to fraction form
    2,127,620.80/3,191,431.20 = 1,064,738.80/x
  3. Step 3: Cross multiply
    2,127,620.80x = 3,191,431.20 × 1,064,738.80
  4. Step 4: Simplify right side
    2,127,620.80x = 3,398,040,626,170.56
  5. Step 5: Solve for x
    x = 3,398,040,626,170.56/2,127,620.80
  6. Step 6: Final answer
    x = 1,597,108.20

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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.