Finding the Fourth Proportional to 5,737,553.95, 7,917,998.64 and 3,159,326.99
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Solution
The fourth proportional to 5,737,553.95, 7,917,998.64 and 3,159,326.99 is: 4,359,967.16
Step by Step Solution
- Step 1: Write the proportion equation
5,737,553.95 : 7,917,998.64 = 3,159,326.99 : x - Step 2: Convert to fraction form
5,737,553.95/7,917,998.64 = 3,159,326.99/x - Step 3: Cross multiply
5,737,553.95x = 7,917,998.64 × 3,159,326.99 - Step 4: Simplify right side
5,737,553.95x = 25,015,546,810,135.29 - Step 5: Solve for x
x = 25,015,546,810,135.29/5,737,553.95 - Step 6: Final answer
x = 4,359,967.16
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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.