Home / 2,877,446.12-3,970,876.04-1,588,286.78

Finding the Fourth Proportional to 2,877,446.12, 3,970,876.04 and 1,588,286.78

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Solution

The fourth proportional to 2,877,446.12, 3,970,876.04 and 1,588,286.78 is: 2,191,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,446.12 : 3,970,876.04 = 1,588,286.78 : x
  2. Step 2: Convert to fraction form
    2,877,446.12/3,970,876.04 = 1,588,286.78/x
  3. Step 3: Cross multiply
    2,877,446.12x = 3,970,876.04 × 1,588,286.78
  4. Step 4: Simplify right side
    2,877,446.12x = 6,306,889,891,554.94
  5. Step 5: Solve for x
    x = 6,306,889,891,554.94/2,877,446.12
  6. Step 6: Final answer
    x = 2,191,835.97

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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.