Home / 3,279,411.64-4,909,028.26-2,139,719.80

Finding the Fourth Proportional to 3,279,411.64, 4,909,028.26 and 2,139,719.80

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Solution

The fourth proportional to 3,279,411.64, 4,909,028.26 and 2,139,719.80 is: 3,202,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,411.64 : 4,909,028.26 = 2,139,719.80 : x
  2. Step 2: Convert to fraction form
    3,279,411.64/4,909,028.26 = 2,139,719.80/x
  3. Step 3: Cross multiply
    3,279,411.64x = 4,909,028.26 × 2,139,719.80
  4. Step 4: Simplify right side
    3,279,411.64x = 10,503,944,966,681.55
  5. Step 5: Solve for x
    x = 10,503,944,966,681.55/3,279,411.64
  6. Step 6: Final answer
    x = 3,202,996.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.