Finding the Fourth Proportional to 5,769,953.18, 7,920,839.37 and 4,952,738.11
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Solution
The fourth proportional to 5,769,953.18, 7,920,839.37 and 4,952,738.11 is: 6,798,988.09
Step by Step Solution
- Step 1: Write the proportion equation
5,769,953.18 : 7,920,839.37 = 4,952,738.11 : x - Step 2: Convert to fraction form
5,769,953.18/7,920,839.37 = 4,952,738.11/x - Step 3: Cross multiply
5,769,953.18x = 7,920,839.37 × 4,952,738.11 - Step 4: Simplify right side
5,769,953.18x = 39,229,842,971,383.20 - Step 5: Solve for x
x = 39,229,842,971,383.20/5,769,953.18 - Step 6: Final answer
x = 6,798,988.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.