Finding the Fourth Proportional to 5,027,556.80, 7,541,233.12 and 1,241,072.32
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Solution
The fourth proportional to 5,027,556.80, 7,541,233.12 and 1,241,072.32 is: 1,861,583.28
Step by Step Solution
- Step 1: Write the proportion equation
5,027,556.80 : 7,541,233.12 = 1,241,072.32 : x - Step 2: Convert to fraction form
5,027,556.80/7,541,233.12 = 1,241,072.32/x - Step 3: Cross multiply
5,027,556.80x = 7,541,233.12 × 1,241,072.32 - Step 4: Simplify right side
5,027,556.80x = 9,359,215,683,899.24 - Step 5: Solve for x
x = 9,359,215,683,899.24/5,027,556.80 - Step 6: Final answer
x = 1,861,583.28
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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.