Home / 2,106,912.80-3,160,369.20-530,976.80

Finding the Fourth Proportional to 2,106,912.80, 3,160,369.20 and 530,976.80

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Solution

The fourth proportional to 2,106,912.80, 3,160,369.20 and 530,976.80 is: 796,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,912.80 : 3,160,369.20 = 530,976.80 : x
  2. Step 2: Convert to fraction form
    2,106,912.80/3,160,369.20 = 530,976.80/x
  3. Step 3: Cross multiply
    2,106,912.80x = 3,160,369.20 × 530,976.80
  4. Step 4: Simplify right side
    2,106,912.80x = 1,678,082,724,634.56
  5. Step 5: Solve for x
    x = 1,678,082,724,634.56/2,106,912.80
  6. Step 6: Final answer
    x = 796,465.20

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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.