Home / 6,138,860.71-9,206,719.84-1,819,900.96

Finding the Fourth Proportional to 6,138,860.71, 9,206,719.84 and 1,819,900.96

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Solution

The fourth proportional to 6,138,860.71, 9,206,719.84 and 1,819,900.96 is: 2,729,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,860.71 : 9,206,719.84 = 1,819,900.96 : x
  2. Step 2: Convert to fraction form
    6,138,860.71/9,206,719.84 = 1,819,900.96/x
  3. Step 3: Cross multiply
    6,138,860.71x = 9,206,719.84 × 1,819,900.96
  4. Step 4: Simplify right side
    6,138,860.71x = 16,755,318,298,634.40
  5. Step 5: Solve for x
    x = 16,755,318,298,634.40/6,138,860.71
  6. Step 6: Final answer
    x = 2,729,385.65

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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.