Home / 3,747,315.07-5,620,131.55-1,723,615.12

Finding the Fourth Proportional to 3,747,315.07, 5,620,131.55 and 1,723,615.12

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Solution

The fourth proportional to 3,747,315.07, 5,620,131.55 and 1,723,615.12 is: 2,585,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,315.07 : 5,620,131.55 = 1,723,615.12 : x
  2. Step 2: Convert to fraction form
    3,747,315.07/5,620,131.55 = 1,723,615.12/x
  3. Step 3: Cross multiply
    3,747,315.07x = 5,620,131.55 × 1,723,615.12
  4. Step 4: Simplify right side
    3,747,315.07x = 9,686,943,715,969.04
  5. Step 5: Solve for x
    x = 9,686,943,715,969.04/3,747,315.07
  6. Step 6: Final answer
    x = 2,585,035.83

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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.