Finding the Fourth Proportional to 5,534,513.57, 7,637,817.98 and 3,211,230.68
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Solution
The fourth proportional to 5,534,513.57, 7,637,817.98 and 3,211,230.68 is: 4,431,608.14
Step by Step Solution
- Step 1: Write the proportion equation
5,534,513.57 : 7,637,817.98 = 3,211,230.68 : x - Step 2: Convert to fraction form
5,534,513.57/7,637,817.98 = 3,211,230.68/x - Step 3: Cross multiply
5,534,513.57x = 7,637,817.98 × 3,211,230.68 - Step 4: Simplify right side
5,534,513.57x = 24,526,795,409,575.47 - Step 5: Solve for x
x = 24,526,795,409,575.47/5,534,513.57 - Step 6: Final answer
x = 4,431,608.14
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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.