Home / 3,247,251.20-4,870,876.80-1,984,428.80

Finding the Fourth Proportional to 3,247,251.20, 4,870,876.80 and 1,984,428.80

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Solution

The fourth proportional to 3,247,251.20, 4,870,876.80 and 1,984,428.80 is: 2,976,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247,251.20 : 4,870,876.80 = 1,984,428.80 : x
  2. Step 2: Convert to fraction form
    3,247,251.20/4,870,876.80 = 1,984,428.80/x
  3. Step 3: Cross multiply
    3,247,251.20x = 4,870,876.80 × 1,984,428.80
  4. Step 4: Simplify right side
    3,247,251.20x = 9,665,908,203,171.84
  5. Step 5: Solve for x
    x = 9,665,908,203,171.84/3,247,251.20
  6. Step 6: Final answer
    x = 2,976,643.20

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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.