Finding the Fourth Proportional to 5,625,135.72, 7,757,584.92 and 3,690,661.32
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Solution
The fourth proportional to 5,625,135.72, 7,757,584.92 and 3,690,661.32 is: 5,089,764.95
Step by Step Solution
- Step 1: Write the proportion equation
5,625,135.72 : 7,757,584.92 = 3,690,661.32 : x - Step 2: Convert to fraction form
5,625,135.72/7,757,584.92 = 3,690,661.32/x - Step 3: Cross multiply
5,625,135.72x = 7,757,584.92 × 3,690,661.32 - Step 4: Simplify right side
5,625,135.72x = 28,630,618,600,859.29 - Step 5: Solve for x
x = 28,630,618,600,859.29/5,625,135.72 - Step 6: Final answer
x = 5,089,764.95
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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.