Home / 2,927,990.94-4,040,626.60-1,638,831

Finding the Fourth Proportional to 2,927,990.94, 4,040,626.60 and 1,638,831

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Solution

The fourth proportional to 2,927,990.94, 4,040,626.60 and 1,638,831 is: 2,261,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,990.94 : 4,040,626.60 = 1,638,831 : x
  2. Step 2: Convert to fraction form
    2,927,990.94/4,040,626.60 = 1,638,831/x
  3. Step 3: Cross multiply
    2,927,990.94x = 4,040,626.60 × 1,638,831
  4. Step 4: Simplify right side
    2,927,990.94x = 6,621,904,131,504.60
  5. Step 5: Solve for x
    x = 6,621,904,131,504.60/2,927,990.94
  6. Step 6: Final answer
    x = 2,261,586.28

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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.