Finding the Fourth Proportional to 5,776,552.68, 7,972,177.62 and 3,198,233.49
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Solution
The fourth proportional to 5,776,552.68, 7,972,177.62 and 3,198,233.49 is: 4,413,858.38
Step by Step Solution
- Step 1: Write the proportion equation
5,776,552.68 : 7,972,177.62 = 3,198,233.49 : x - Step 2: Convert to fraction form
5,776,552.68/7,972,177.62 = 3,198,233.49/x - Step 3: Cross multiply
5,776,552.68x = 7,972,177.62 × 3,198,233.49 - Step 4: Simplify right side
5,776,552.68x = 25,496,885,452,512.50 - Step 5: Solve for x
x = 25,496,885,452,512.50/5,776,552.68 - Step 6: Final answer
x = 4,413,858.38
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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.