Home / 3,117,328.80-4,673,401.20-1,321,591.20

Finding the Fourth Proportional to 3,117,328.80, 4,673,401.20 and 1,321,591.20

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Solution

The fourth proportional to 3,117,328.80, 4,673,401.20 and 1,321,591.20 is: 1,981,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,328.80 : 4,673,401.20 = 1,321,591.20 : x
  2. Step 2: Convert to fraction form
    3,117,328.80/4,673,401.20 = 1,321,591.20/x
  3. Step 3: Cross multiply
    3,117,328.80x = 4,673,401.20 × 1,321,591.20
  4. Step 4: Simplify right side
    3,117,328.80x = 6,176,325,899,989.44
  5. Step 5: Solve for x
    x = 6,176,325,899,989.44/3,117,328.80
  6. Step 6: Final answer
    x = 1,981,287.92

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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.