Finding the Fourth Proportional to 5,909,577.79, 8,846,185.78 and 3,855,816.09
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Solution
The fourth proportional to 5,909,577.79, 8,846,185.78 and 3,855,816.09 is: 5,771,861.66
Step by Step Solution
- Step 1: Write the proportion equation
5,909,577.79 : 8,846,185.78 = 3,855,816.09 : x - Step 2: Convert to fraction form
5,909,577.79/8,846,185.78 = 3,855,816.09/x - Step 3: Cross multiply
5,909,577.79x = 8,846,185.78 × 3,855,816.09 - Step 4: Simplify right side
5,909,577.79x = 34,109,265,465,653.20 - Step 5: Solve for x
x = 34,109,265,465,653.20/5,909,577.79 - Step 6: Final answer
x = 5,771,861.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.