Home / 3,819,189.17-5,270,375.91-2,100,309.68

Finding the Fourth Proportional to 3,819,189.17, 5,270,375.91 and 2,100,309.68

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Solution

The fourth proportional to 3,819,189.17, 5,270,375.91 and 2,100,309.68 is: 2,898,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,189.17 : 5,270,375.91 = 2,100,309.68 : x
  2. Step 2: Convert to fraction form
    3,819,189.17/5,270,375.91 = 2,100,309.68/x
  3. Step 3: Cross multiply
    3,819,189.17x = 5,270,375.91 × 2,100,309.68
  4. Step 4: Simplify right side
    3,819,189.17x = 11,069,421,514,659.93
  5. Step 5: Solve for x
    x = 11,069,421,514,659.93/3,819,189.17
  6. Step 6: Final answer
    x = 2,898,369.53

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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.