Home / 2,715,480.81-4,073,221.11-693,729.12

Finding the Fourth Proportional to 2,715,480.81, 4,073,221.11 and 693,729.12

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Solution

The fourth proportional to 2,715,480.81, 4,073,221.11 and 693,729.12 is: 1,040,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,480.81 : 4,073,221.11 = 693,729.12 : x
  2. Step 2: Convert to fraction form
    2,715,480.81/4,073,221.11 = 693,729.12/x
  3. Step 3: Cross multiply
    2,715,480.81x = 4,073,221.11 × 693,729.12
  4. Step 4: Simplify right side
    2,715,480.81x = 2,825,712,096,205.72
  5. Step 5: Solve for x
    x = 2,825,712,096,205.72/2,715,480.81
  6. Step 6: Final answer
    x = 1,040,593.65

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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.