Home / 3,100,515.11-4,278,760.59-1,705,131.88

Finding the Fourth Proportional to 3,100,515.11, 4,278,760.59 and 1,705,131.88

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Solution

The fourth proportional to 3,100,515.11, 4,278,760.59 and 1,705,131.88 is: 2,353,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,515.11 : 4,278,760.59 = 1,705,131.88 : x
  2. Step 2: Convert to fraction form
    3,100,515.11/4,278,760.59 = 1,705,131.88/x
  3. Step 3: Cross multiply
    3,100,515.11x = 4,278,760.59 × 1,705,131.88
  4. Step 4: Simplify right side
    3,100,515.11x = 7,295,851,088,896.61
  5. Step 5: Solve for x
    x = 7,295,851,088,896.61/3,100,515.11
  6. Step 6: Final answer
    x = 2,353,109.35

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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.