Home / 3,278,390.11-4,524,014.01-1,808,556.64

Finding the Fourth Proportional to 3,278,390.11, 4,524,014.01 and 1,808,556.64

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Solution

The fourth proportional to 3,278,390.11, 4,524,014.01 and 1,808,556.64 is: 2,495,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,390.11 : 4,524,014.01 = 1,808,556.64 : x
  2. Step 2: Convert to fraction form
    3,278,390.11/4,524,014.01 = 1,808,556.64/x
  3. Step 3: Cross multiply
    3,278,390.11x = 4,524,014.01 × 1,808,556.64
  4. Step 4: Simplify right side
    3,278,390.11x = 8,181,935,577,238.53
  5. Step 5: Solve for x
    x = 8,181,935,577,238.53/3,278,390.11
  6. Step 6: Final answer
    x = 2,495,717.50

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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.