Finding the Fourth Proportional to 5,634,056.49, 7,775,173.94 and 3,186,619.64
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Solution
The fourth proportional to 5,634,056.49, 7,775,173.94 and 3,186,619.64 is: 4,397,634.64
Step by Step Solution
- Step 1: Write the proportion equation
5,634,056.49 : 7,775,173.94 = 3,186,619.64 : x - Step 2: Convert to fraction form
5,634,056.49/7,775,173.94 = 3,186,619.64/x - Step 3: Cross multiply
5,634,056.49x = 7,775,173.94 × 3,186,619.64 - Step 4: Simplify right side
5,634,056.49x = 24,776,521,981,620.18 - Step 5: Solve for x
x = 24,776,521,981,620.18/5,634,056.49 - Step 6: Final answer
x = 4,397,634.64
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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.