Home / 3,819,291.76-5,270,686.86-2,187,841.78

Finding the Fourth Proportional to 3,819,291.76, 5,270,686.86 and 2,187,841.78

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Solution

The fourth proportional to 3,819,291.76, 5,270,686.86 and 2,187,841.78 is: 3,019,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,291.76 : 5,270,686.86 = 2,187,841.78 : x
  2. Step 2: Convert to fraction form
    3,819,291.76/5,270,686.86 = 2,187,841.78/x
  3. Step 3: Cross multiply
    3,819,291.76x = 5,270,686.86 × 2,187,841.78
  4. Step 4: Simplify right side
    3,819,291.76x = 11,531,428,921,605.01
  5. Step 5: Solve for x
    x = 11,531,428,921,605.01/3,819,291.76
  6. Step 6: Final answer
    x = 3,019,258.45

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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.