Home / 2,139,071.63-3,206,447.18-1,340,912.62

Finding the Fourth Proportional to 2,139,071.63, 3,206,447.18 and 1,340,912.62

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Solution

The fourth proportional to 2,139,071.63, 3,206,447.18 and 1,340,912.62 is: 2,010,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,071.63 : 3,206,447.18 = 1,340,912.62 : x
  2. Step 2: Convert to fraction form
    2,139,071.63/3,206,447.18 = 1,340,912.62/x
  3. Step 3: Cross multiply
    2,139,071.63x = 3,206,447.18 × 1,340,912.62
  4. Step 4: Simplify right side
    2,139,071.63x = 4,299,565,474,304.73
  5. Step 5: Solve for x
    x = 4,299,565,474,304.73/2,139,071.63
  6. Step 6: Final answer
    x = 2,010,014.72

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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.