Finding the Fourth Proportional to 5,915,839.75, 8,163,859.46 and 3,199,585.75
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Solution
The fourth proportional to 5,915,839.75, 8,163,859.46 and 3,199,585.75 is: 4,415,428.66
Step by Step Solution
- Step 1: Write the proportion equation
5,915,839.75 : 8,163,859.46 = 3,199,585.75 : x - Step 2: Convert to fraction form
5,915,839.75/8,163,859.46 = 3,199,585.75/x - Step 3: Cross multiply
5,915,839.75x = 8,163,859.46 × 3,199,585.75 - Step 4: Simplify right side
5,915,839.75x = 26,120,968,393,218.70 - Step 5: Solve for x
x = 26,120,968,393,218.70/5,915,839.75 - Step 6: Final answer
x = 4,415,428.66
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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.