Home / 3,858,212.68-5,324,572.84-2,139,333.20

Finding the Fourth Proportional to 3,858,212.68, 5,324,572.84 and 2,139,333.20

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Solution

The fourth proportional to 3,858,212.68, 5,324,572.84 and 2,139,333.20 is: 2,952,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,212.68 : 5,324,572.84 = 2,139,333.20 : x
  2. Step 2: Convert to fraction form
    3,858,212.68/5,324,572.84 = 2,139,333.20/x
  3. Step 3: Cross multiply
    3,858,212.68x = 5,324,572.84 × 2,139,333.20
  4. Step 4: Simplify right side
    3,858,212.68x = 11,391,035,452,430.29
  5. Step 5: Solve for x
    x = 11,391,035,452,430.29/3,858,212.68
  6. Step 6: Final answer
    x = 2,952,412.53

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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.