Home / 2,809,376.91-3,876,946.89-1,520,231.13

Finding the Fourth Proportional to 2,809,376.91, 3,876,946.89 and 1,520,231.13

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Solution

The fourth proportional to 2,809,376.91, 3,876,946.89 and 1,520,231.13 is: 2,097,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,376.91 : 3,876,946.89 = 1,520,231.13 : x
  2. Step 2: Convert to fraction form
    2,809,376.91/3,876,946.89 = 1,520,231.13/x
  3. Step 3: Cross multiply
    2,809,376.91x = 3,876,946.89 × 1,520,231.13
  4. Step 4: Simplify right side
    2,809,376.91x = 5,893,855,351,534.69
  5. Step 5: Solve for x
    x = 5,893,855,351,534.69/2,809,376.91
  6. Step 6: Final answer
    x = 2,097,922.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.