Finding the Fourth Proportional to 5,583,409.36, 7,705,174.60 and 3,291,433.04
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Solution
The fourth proportional to 5,583,409.36, 7,705,174.60 and 3,291,433.04 is: 4,542,218.67
Step by Step Solution
- Step 1: Write the proportion equation
5,583,409.36 : 7,705,174.60 = 3,291,433.04 : x - Step 2: Convert to fraction form
5,583,409.36/7,705,174.60 = 3,291,433.04/x - Step 3: Cross multiply
5,583,409.36x = 7,705,174.60 × 3,291,433.04 - Step 4: Simplify right side
5,583,409.36x = 25,361,066,257,408.78 - Step 5: Solve for x
x = 25,361,066,257,408.78/5,583,409.36 - Step 6: Final answer
x = 4,542,218.67
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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.