Finding the Fourth Proportional to 5,523,157.03, 7,621,744.12 and 3,075,871.23
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Solution
The fourth proportional to 5,523,157.03, 7,621,744.12 and 3,075,871.23 is: 4,244,583.91
Step by Step Solution
- Step 1: Write the proportion equation
5,523,157.03 : 7,621,744.12 = 3,075,871.23 : x - Step 2: Convert to fraction form
5,523,157.03/7,621,744.12 = 3,075,871.23/x - Step 3: Cross multiply
5,523,157.03x = 7,621,744.12 × 3,075,871.23 - Step 4: Simplify right side
5,523,157.03x = 23,443,503,461,129.67 - Step 5: Solve for x
x = 23,443,503,461,129.67/5,523,157.03 - Step 6: Final answer
x = 4,244,583.91
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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.