Home / 1,660,794.30-2,491,191.45-1,519,076.70

Finding the Fourth Proportional to 1,660,794.30, 2,491,191.45 and 1,519,076.70

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Solution

The fourth proportional to 1,660,794.30, 2,491,191.45 and 1,519,076.70 is: 2,278,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,794.30 : 2,491,191.45 = 1,519,076.70 : x
  2. Step 2: Convert to fraction form
    1,660,794.30/2,491,191.45 = 1,519,076.70/x
  3. Step 3: Cross multiply
    1,660,794.30x = 2,491,191.45 × 1,519,076.70
  4. Step 4: Simplify right side
    1,660,794.30x = 3,784,310,886,934.22
  5. Step 5: Solve for x
    x = 3,784,310,886,934.22/1,660,794.30
  6. Step 6: Final answer
    x = 2,278,615.05

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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.