Home / 3,933,764.90-5,389,277.14-3,786,328.47

Finding the Fourth Proportional to 3,933,764.90, 5,389,277.14 and 3,786,328.47

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Solution

The fourth proportional to 3,933,764.90, 5,389,277.14 and 3,786,328.47 is: 5,187,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,764.90 : 5,389,277.14 = 3,786,328.47 : x
  2. Step 2: Convert to fraction form
    3,933,764.90/5,389,277.14 = 3,786,328.47/x
  3. Step 3: Cross multiply
    3,933,764.90x = 5,389,277.14 × 3,786,328.47
  4. Step 4: Simplify right side
    3,933,764.90x = 20,405,573,440,835.26
  5. Step 5: Solve for x
    x = 20,405,573,440,835.26/3,933,764.90
  6. Step 6: Final answer
    x = 5,187,288.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.