Finding the Fourth Proportional to 1,660,583.57, 2,481,777.11 and 1,212,248.57
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Solution
The fourth proportional to 1,660,583.57, 2,481,777.11 and 1,212,248.57 is: 1,811,731.01
Step by Step Solution
- Step 1: Write the proportion equation
1,660,583.57 : 2,481,777.11 = 1,212,248.57 : x - Step 2: Convert to fraction form
1,660,583.57/2,481,777.11 = 1,212,248.57/x - Step 3: Cross multiply
1,660,583.57x = 2,481,777.11 × 1,212,248.57 - Step 4: Simplify right side
1,660,583.57x = 3,008,530,734,186.10 - Step 5: Solve for x
x = 3,008,530,734,186.10/1,660,583.57 - Step 6: Final answer
x = 1,811,731.01
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.