Finding the Fourth Proportional to 5,696,149.26, 7,860,694.50 and 3,117,992.97
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Solution
The fourth proportional to 5,696,149.26, 7,860,694.50 and 3,117,992.97 is: 4,302,834.96
Step by Step Solution
- Step 1: Write the proportion equation
5,696,149.26 : 7,860,694.50 = 3,117,992.97 : x - Step 2: Convert to fraction form
5,696,149.26/7,860,694.50 = 3,117,992.97/x - Step 3: Cross multiply
5,696,149.26x = 7,860,694.50 × 3,117,992.97 - Step 4: Simplify right side
5,696,149.26x = 24,509,590,190,317.67 - Step 5: Solve for x
x = 24,509,590,190,317.67/5,696,149.26 - Step 6: Final answer
x = 4,302,834.96
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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.