Home / 3,168,540.80-4,752,811.20-2,643,660.80

Finding the Fourth Proportional to 3,168,540.80, 4,752,811.20 and 2,643,660.80

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Solution

The fourth proportional to 3,168,540.80, 4,752,811.20 and 2,643,660.80 is: 3,965,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,540.80 : 4,752,811.20 = 2,643,660.80 : x
  2. Step 2: Convert to fraction form
    3,168,540.80/4,752,811.20 = 2,643,660.80/x
  3. Step 3: Cross multiply
    3,168,540.80x = 4,752,811.20 × 2,643,660.80
  4. Step 4: Simplify right side
    3,168,540.80x = 12,564,820,659,240.96
  5. Step 5: Solve for x
    x = 12,564,820,659,240.96/3,168,540.80
  6. Step 6: Final answer
    x = 3,965,491.20

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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.