Home / 3,187,489.05-4,782,171.64-1,028,473.66

Finding the Fourth Proportional to 3,187,489.05, 4,782,171.64 and 1,028,473.66

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Solution

The fourth proportional to 3,187,489.05, 4,782,171.64 and 1,028,473.66 is: 1,543,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,489.05 : 4,782,171.64 = 1,028,473.66 : x
  2. Step 2: Convert to fraction form
    3,187,489.05/4,782,171.64 = 1,028,473.66/x
  3. Step 3: Cross multiply
    3,187,489.05x = 4,782,171.64 × 1,028,473.66
  4. Step 4: Simplify right side
    3,187,489.05x = 4,918,337,562,188.26
  5. Step 5: Solve for x
    x = 4,918,337,562,188.26/3,187,489.05
  6. Step 6: Final answer
    x = 1,543,013.16

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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.