Finding the Fourth Proportional to 5,472,173.30, 7,551,338.24 and 2,991,521.99
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Solution
The fourth proportional to 5,472,173.30, 7,551,338.24 and 2,991,521.99 is: 4,128,157.72
Step by Step Solution
- Step 1: Write the proportion equation
5,472,173.30 : 7,551,338.24 = 2,991,521.99 : x - Step 2: Convert to fraction form
5,472,173.30/7,551,338.24 = 2,991,521.99/x - Step 3: Cross multiply
5,472,173.30x = 7,551,338.24 × 2,991,521.99 - Step 4: Simplify right side
5,472,173.30x = 22,589,994,425,245.05 - Step 5: Solve for x
x = 22,589,994,425,245.05/5,472,173.30 - Step 6: Final answer
x = 4,128,157.72
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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.