Finding the Fourth Proportional to 5,523,142.42, 7,620,396.60 and 3,562,190.74
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Solution
The fourth proportional to 5,523,142.42, 7,620,396.60 and 3,562,190.74 is: 4,914,830.03
Step by Step Solution
- Step 1: Write the proportion equation
5,523,142.42 : 7,620,396.60 = 3,562,190.74 : x - Step 2: Convert to fraction form
5,523,142.42/7,620,396.60 = 3,562,190.74/x - Step 3: Cross multiply
5,523,142.42x = 7,620,396.60 × 3,562,190.74 - Step 4: Simplify right side
5,523,142.42x = 27,145,306,203,647.48 - Step 5: Solve for x
x = 27,145,306,203,647.48/5,523,142.42 - Step 6: Final answer
x = 4,914,830.03
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1.5x scale
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.