Home / 3,223,063.28-4,835,145.72-1,328,769.20

Finding the Fourth Proportional to 3,223,063.28, 4,835,145.72 and 1,328,769.20

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Solution

The fourth proportional to 3,223,063.28, 4,835,145.72 and 1,328,769.20 is: 1,993,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223,063.28 : 4,835,145.72 = 1,328,769.20 : x
  2. Step 2: Convert to fraction form
    3,223,063.28/4,835,145.72 = 1,328,769.20/x
  3. Step 3: Cross multiply
    3,223,063.28x = 4,835,145.72 × 1,328,769.20
  4. Step 4: Simplify right side
    3,223,063.28x = 6,424,792,710,247.82
  5. Step 5: Solve for x
    x = 6,424,792,710,247.82/3,223,063.28
  6. Step 6: Final answer
    x = 1,993,380.88

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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.