Finding the Fourth Proportional to 5,161,474.06, 7,741,710.80 and 1,567,272.60
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Solution
The fourth proportional to 5,161,474.06, 7,741,710.80 and 1,567,272.60 is: 2,350,756.99
Step by Step Solution
- Step 1: Write the proportion equation
5,161,474.06 : 7,741,710.80 = 1,567,272.60 : x - Step 2: Convert to fraction form
5,161,474.06/7,741,710.80 = 1,567,272.60/x - Step 3: Cross multiply
5,161,474.06x = 7,741,710.80 × 1,567,272.60 - Step 4: Simplify right side
5,161,474.06x = 12,133,371,213,964.08 - Step 5: Solve for x
x = 12,133,371,213,964.08/5,161,474.06 - Step 6: Final answer
x = 2,350,756.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.