Home / 2,809,718.38-3,877,420.89-1,520,558.38

Finding the Fourth Proportional to 2,809,718.38, 3,877,420.89 and 1,520,558.38

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Solution

The fourth proportional to 2,809,718.38, 3,877,420.89 and 1,520,558.38 is: 2,098,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,718.38 : 3,877,420.89 = 1,520,558.38 : x
  2. Step 2: Convert to fraction form
    2,809,718.38/3,877,420.89 = 1,520,558.38/x
  3. Step 3: Cross multiply
    2,809,718.38x = 3,877,420.89 × 1,520,558.38
  4. Step 4: Simplify right side
    2,809,718.38x = 5,895,844,827,076.56
  5. Step 5: Solve for x
    x = 5,895,844,827,076.56/2,809,718.38
  6. Step 6: Final answer
    x = 2,098,375.72

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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.