Finding the Fourth Proportional to 5,397,203.60, 8,086,474.20 and 2,551,187.60
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Solution
The fourth proportional to 5,397,203.60, 8,086,474.20 and 2,551,187.60 is: 3,822,370.66
Step by Step Solution
- Step 1: Write the proportion equation
5,397,203.60 : 8,086,474.20 = 2,551,187.60 : x - Step 2: Convert to fraction form
5,397,203.60/8,086,474.20 = 2,551,187.60/x - Step 3: Cross multiply
5,397,203.60x = 8,086,474.20 × 2,551,187.60 - Step 4: Simplify right side
5,397,203.60x = 20,630,112,706,759.92 - Step 5: Solve for x
x = 20,630,112,706,759.92/5,397,203.60 - Step 6: Final answer
x = 3,822,370.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.