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Finding the Fourth Proportional to 3,955,089.74, 5,933,186.07 and 1,222,860.22

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Solution

The fourth proportional to 3,955,089.74, 5,933,186.07 and 1,222,860.22 is: 1,834,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955,089.74 : 5,933,186.07 = 1,222,860.22 : x
  2. Step 2: Convert to fraction form
    3,955,089.74/5,933,186.07 = 1,222,860.22/x
  3. Step 3: Cross multiply
    3,955,089.74x = 5,933,186.07 × 1,222,860.22
  4. Step 4: Simplify right side
    3,955,089.74x = 7,255,457,193,195.21
  5. Step 5: Solve for x
    x = 7,255,457,193,195.21/3,955,089.74
  6. Step 6: Final answer
    x = 1,834,460.83

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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.