Finding the Fourth Proportional to 5,551,347.96, 7,662,974.22 and 3,618,078.84
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Solution
The fourth proportional to 5,551,347.96, 7,662,974.22 and 3,618,078.84 is: 4,994,326.62
Step by Step Solution
- Step 1: Write the proportion equation
5,551,347.96 : 7,662,974.22 = 3,618,078.84 : x - Step 2: Convert to fraction form
5,551,347.96/7,662,974.22 = 3,618,078.84/x - Step 3: Cross multiply
5,551,347.96x = 7,662,974.22 × 3,618,078.84 - Step 4: Simplify right side
5,551,347.96x = 27,725,244,876,847.50 - Step 5: Solve for x
x = 27,725,244,876,847.50/5,551,347.96 - Step 6: Final answer
x = 4,994,326.62
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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.