Finding the Fourth Proportional to 5,621,526.62, 7,757,704.99 and 3,043,205.54
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Solution
The fourth proportional to 5,621,526.62, 7,757,704.99 and 3,043,205.54 is: 4,199,622.70
Step by Step Solution
- Step 1: Write the proportion equation
5,621,526.62 : 7,757,704.99 = 3,043,205.54 : x - Step 2: Convert to fraction form
5,621,526.62/7,757,704.99 = 3,043,205.54/x - Step 3: Cross multiply
5,621,526.62x = 7,757,704.99 × 3,043,205.54 - Step 4: Simplify right side
5,621,526.62x = 23,608,290,803,253.64 - Step 5: Solve for x
x = 23,608,290,803,253.64/5,621,526.62 - Step 6: Final answer
x = 4,199,622.70
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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.