Home / 1,990,861.10-2,747,621.57-1,131,550.53

Finding the Fourth Proportional to 1,990,861.10, 2,747,621.57 and 1,131,550.53

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Solution

The fourth proportional to 1,990,861.10, 2,747,621.57 and 1,131,550.53 is: 1,561,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,861.10 : 2,747,621.57 = 1,131,550.53 : x
  2. Step 2: Convert to fraction form
    1,990,861.10/2,747,621.57 = 1,131,550.53/x
  3. Step 3: Cross multiply
    1,990,861.10x = 2,747,621.57 × 1,131,550.53
  4. Step 4: Simplify right side
    1,990,861.10x = 3,109,072,638,115.18
  5. Step 5: Solve for x
    x = 3,109,072,638,115.18/1,990,861.10
  6. Step 6: Final answer
    x = 1,561,672.30

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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.