Finding the Fourth Proportional to 5,324,553.31, 7,347,883.40 and 2,877,164.28
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Solution
The fourth proportional to 5,324,553.31, 7,347,883.40 and 2,877,164.28 is: 3,970,486.62
Step by Step Solution
- Step 1: Write the proportion equation
5,324,553.31 : 7,347,883.40 = 2,877,164.28 : x - Step 2: Convert to fraction form
5,324,553.31/7,347,883.40 = 2,877,164.28/x - Step 3: Cross multiply
5,324,553.31x = 7,347,883.40 × 2,877,164.28 - Step 4: Simplify right side
5,324,553.31x = 21,141,067,675,441.14 - Step 5: Solve for x
x = 21,141,067,675,441.14/5,324,553.31 - Step 6: Final answer
x = 3,970,486.62
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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.