Finding the Fourth Proportional to 5,365,941.36, 7,402,556.32 and 3,189,247.44
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Solution
The fourth proportional to 5,365,941.36, 7,402,556.32 and 3,189,247.44 is: 4,399,709.61
Step by Step Solution
- Step 1: Write the proportion equation
5,365,941.36 : 7,402,556.32 = 3,189,247.44 : x - Step 2: Convert to fraction form
5,365,941.36/7,402,556.32 = 3,189,247.44/x - Step 3: Cross multiply
5,365,941.36x = 7,402,556.32 × 3,189,247.44 - Step 4: Simplify right side
5,365,941.36x = 23,608,583,793,015.82 - Step 5: Solve for x
x = 23,608,583,793,015.82/5,365,941.36 - Step 6: Final answer
x = 4,399,709.61
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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.