Finding the Fourth Proportional to 5,052,161.44, 6,971,900.40 and 2,760,272.80
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Solution
The fourth proportional to 5,052,161.44, 6,971,900.40 and 2,760,272.80 is: 3,809,131.45
Step by Step Solution
- Step 1: Write the proportion equation
5,052,161.44 : 6,971,900.40 = 2,760,272.80 : x - Step 2: Convert to fraction form
5,052,161.44/6,971,900.40 = 2,760,272.80/x - Step 3: Cross multiply
5,052,161.44x = 6,971,900.40 × 2,760,272.80 - Step 4: Simplify right side
5,052,161.44x = 19,244,347,038,429.12 - Step 5: Solve for x
x = 19,244,347,038,429.12/5,052,161.44 - Step 6: Final answer
x = 3,809,131.45
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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.