Home / 2,286,381.42-3,429,238.23-666,715.05

Finding the Fourth Proportional to 2,286,381.42, 3,429,238.23 and 666,715.05

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Solution

The fourth proportional to 2,286,381.42, 3,429,238.23 and 666,715.05 is: 999,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,381.42 : 3,429,238.23 = 666,715.05 : x
  2. Step 2: Convert to fraction form
    2,286,381.42/3,429,238.23 = 666,715.05/x
  3. Step 3: Cross multiply
    2,286,381.42x = 3,429,238.23 × 666,715.05
  4. Step 4: Simplify right side
    2,286,381.42x = 2,286,324,737,976.36
  5. Step 5: Solve for x
    x = 2,286,324,737,976.36/2,286,381.42
  6. Step 6: Final answer
    x = 999,975.21

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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.