Finding the Fourth Proportional to 3,121,074.86, 4,305,358.78 and 2,540,922.08
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Solution
The fourth proportional to 3,121,074.86, 4,305,358.78 and 2,540,922.08 is: 3,505,068.50
Step by Step Solution
- Step 1: Write the proportion equation
3,121,074.86 : 4,305,358.78 = 2,540,922.08 : x - Step 2: Convert to fraction form
3,121,074.86/4,305,358.78 = 2,540,922.08/x - Step 3: Cross multiply
3,121,074.86x = 4,305,358.78 × 2,540,922.08 - Step 4: Simplify right side
3,121,074.86x = 10,939,581,158,544.76 - Step 5: Solve for x
x = 10,939,581,158,544.76/3,121,074.86 - Step 6: Final answer
x = 3,505,068.50
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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.