Home / 3,197,633.78-4,412,986.18-1,821,035.75

Finding the Fourth Proportional to 3,197,633.78, 4,412,986.18 and 1,821,035.75

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Solution

The fourth proportional to 3,197,633.78, 4,412,986.18 and 1,821,035.75 is: 2,513,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197,633.78 : 4,412,986.18 = 1,821,035.75 : x
  2. Step 2: Convert to fraction form
    3,197,633.78/4,412,986.18 = 1,821,035.75/x
  3. Step 3: Cross multiply
    3,197,633.78x = 4,412,986.18 × 1,821,035.75
  4. Step 4: Simplify right side
    3,197,633.78x = 8,036,205,571,418.42
  5. Step 5: Solve for x
    x = 8,036,205,571,418.42/3,197,633.78
  6. Step 6: Final answer
    x = 2,513,172.59

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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.