Finding the Fourth Proportional to 5,915,832.75, 8,163,849.80 and 3,199,578.75
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Solution
The fourth proportional to 5,915,832.75, 8,163,849.80 and 3,199,578.75 is: 4,415,419.00
Step by Step Solution
- Step 1: Write the proportion equation
5,915,832.75 : 8,163,849.80 = 3,199,578.75 : x - Step 2: Convert to fraction form
5,915,832.75/8,163,849.80 = 3,199,578.75/x - Step 3: Cross multiply
5,915,832.75x = 8,163,849.80 × 3,199,578.75 - Step 4: Simplify right side
5,915,832.75x = 26,120,880,346,270.70 - Step 5: Solve for x
x = 26,120,880,346,270.70/5,915,832.75 - Step 6: Final answer
x = 4,415,419.00
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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.