Home / 2,147,816.72-3,227,630.03-2,007,378.51

Finding the Fourth Proportional to 2,147,816.72, 3,227,630.03 and 2,007,378.51

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Solution

The fourth proportional to 2,147,816.72, 3,227,630.03 and 2,007,378.51 is: 3,016,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,816.72 : 3,227,630.03 = 2,007,378.51 : x
  2. Step 2: Convert to fraction form
    2,147,816.72/3,227,630.03 = 2,007,378.51/x
  3. Step 3: Cross multiply
    2,147,816.72x = 3,227,630.03 × 2,007,378.51
  4. Step 4: Simplify right side
    2,147,816.72x = 6,479,075,150,415.76
  5. Step 5: Solve for x
    x = 6,479,075,150,415.76/2,147,816.72
  6. Step 6: Final answer
    x = 3,016,586.61

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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.