Home / 2,816,384.52-4,225,102.62-1,279,487.79

Finding the Fourth Proportional to 2,816,384.52, 4,225,102.62 and 1,279,487.79

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Solution

The fourth proportional to 2,816,384.52, 4,225,102.62 and 1,279,487.79 is: 1,919,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,384.52 : 4,225,102.62 = 1,279,487.79 : x
  2. Step 2: Convert to fraction form
    2,816,384.52/4,225,102.62 = 1,279,487.79/x
  3. Step 3: Cross multiply
    2,816,384.52x = 4,225,102.62 × 1,279,487.79
  4. Step 4: Simplify right side
    2,816,384.52x = 5,405,967,213,787.01
  5. Step 5: Solve for x
    x = 5,405,967,213,787.01/2,816,384.52
  6. Step 6: Final answer
    x = 1,919,470.57

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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.