Finding the Fourth Proportional to 5,696,208.77, 7,860,967.92 and 3,117,891.56
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Solution
The fourth proportional to 5,696,208.77, 7,860,967.92 and 3,117,891.56 is: 4,302,799.72
Step by Step Solution
- Step 1: Write the proportion equation
5,696,208.77 : 7,860,967.92 = 3,117,891.56 : x - Step 2: Convert to fraction form
5,696,208.77/7,860,967.92 = 3,117,891.56/x - Step 3: Cross multiply
5,696,208.77x = 7,860,967.92 × 3,117,891.56 - Step 4: Simplify right side
5,696,208.77x = 24,509,645,491,893.92 - Step 5: Solve for x
x = 24,509,645,491,893.92/5,696,208.77 - Step 6: Final answer
x = 4,302,799.72
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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.