Home / 2,612,444.56-3,912,700.73-1,247,178.62

Finding the Fourth Proportional to 2,612,444.56, 3,912,700.73 and 1,247,178.62

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Solution

The fourth proportional to 2,612,444.56, 3,912,700.73 and 1,247,178.62 is: 1,867,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,444.56 : 3,912,700.73 = 1,247,178.62 : x
  2. Step 2: Convert to fraction form
    2,612,444.56/3,912,700.73 = 1,247,178.62/x
  3. Step 3: Cross multiply
    2,612,444.56x = 3,912,700.73 × 1,247,178.62
  4. Step 4: Simplify right side
    2,612,444.56x = 4,879,836,690,678.50
  5. Step 5: Solve for x
    x = 4,879,836,690,678.50/2,612,444.56
  6. Step 6: Final answer
    x = 1,867,919.72

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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.