Home / 3,188,867.31-4,400,447.27-1,812,019.95

Finding the Fourth Proportional to 3,188,867.31, 4,400,447.27 and 1,812,019.95

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Solution

The fourth proportional to 3,188,867.31, 4,400,447.27 and 1,812,019.95 is: 2,500,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,867.31 : 4,400,447.27 = 1,812,019.95 : x
  2. Step 2: Convert to fraction form
    3,188,867.31/4,400,447.27 = 1,812,019.95/x
  3. Step 3: Cross multiply
    3,188,867.31x = 4,400,447.27 × 1,812,019.95
  4. Step 4: Simplify right side
    3,188,867.31x = 7,973,698,233,102.94
  5. Step 5: Solve for x
    x = 7,973,698,233,102.94/3,188,867.31
  6. Step 6: Final answer
    x = 2,500,479.78

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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.