Home / 3,819,292.76-5,270,688.24-2,187,842.78

Finding the Fourth Proportional to 3,819,292.76, 5,270,688.24 and 2,187,842.78

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Solution

The fourth proportional to 3,819,292.76, 5,270,688.24 and 2,187,842.78 is: 3,019,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,292.76 : 5,270,688.24 = 2,187,842.78 : x
  2. Step 2: Convert to fraction form
    3,819,292.76/5,270,688.24 = 2,187,842.78/x
  3. Step 3: Cross multiply
    3,819,292.76x = 5,270,688.24 × 2,187,842.78
  4. Step 4: Simplify right side
    3,819,292.76x = 11,531,437,211,514.91
  5. Step 5: Solve for x
    x = 11,531,437,211,514.91/3,819,292.76
  6. Step 6: Final answer
    x = 3,019,259.83

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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.