Home / 3,819,138.29-5,270,549.43-2,187,860.93

Finding the Fourth Proportional to 3,819,138.29, 5,270,549.43 and 2,187,860.93

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Solution

The fourth proportional to 3,819,138.29, 5,270,549.43 and 2,187,860.93 is: 3,019,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,138.29 : 5,270,549.43 = 2,187,860.93 : x
  2. Step 2: Convert to fraction form
    3,819,138.29/5,270,549.43 = 2,187,860.93/x
  3. Step 3: Cross multiply
    3,819,138.29x = 5,270,549.43 × 2,187,860.93
  4. Step 4: Simplify right side
    3,819,138.29x = 11,531,229,190,707.14
  5. Step 5: Solve for x
    x = 11,531,229,190,707.14/3,819,138.29
  6. Step 6: Final answer
    x = 3,019,327.48

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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.