Finding the Fourth Proportional to 5,158,847.07, 7,738,442.73 and 2,318,967.63
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Solution
The fourth proportional to 5,158,847.07, 7,738,442.73 and 2,318,967.63 is: 3,478,528.82
Step by Step Solution
- Step 1: Write the proportion equation
5,158,847.07 : 7,738,442.73 = 2,318,967.63 : x - Step 2: Convert to fraction form
5,158,847.07/7,738,442.73 = 2,318,967.63/x - Step 3: Cross multiply
5,158,847.07x = 7,738,442.73 × 2,318,967.63 - Step 4: Simplify right side
5,158,847.07x = 17,945,198,197,478.83 - Step 5: Solve for x
x = 17,945,198,197,478.83/5,158,847.07 - Step 6: Final answer
x = 3,478,528.82
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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.