Home / 2,079,234.32-3,118,849.38-782,628.84

Finding the Fourth Proportional to 2,079,234.32, 3,118,849.38 and 782,628.84

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Solution

The fourth proportional to 2,079,234.32, 3,118,849.38 and 782,628.84 is: 1,173,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,234.32 : 3,118,849.38 = 782,628.84 : x
  2. Step 2: Convert to fraction form
    2,079,234.32/3,118,849.38 = 782,628.84/x
  3. Step 3: Cross multiply
    2,079,234.32x = 3,118,849.38 × 782,628.84
  4. Step 4: Simplify right side
    2,079,234.32x = 2,440,901,472,404.12
  5. Step 5: Solve for x
    x = 2,440,901,472,404.12/2,079,234.32
  6. Step 6: Final answer
    x = 1,173,942.47

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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.