Finding the Fourth Proportional to 5,135,557.29, 7,086,982.26 and 2,843,668.77
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Solution
The fourth proportional to 5,135,557.29, 7,086,982.26 and 2,843,668.77 is: 3,924,214.84
Step by Step Solution
- Step 1: Write the proportion equation
5,135,557.29 : 7,086,982.26 = 2,843,668.77 : x - Step 2: Convert to fraction form
5,135,557.29/7,086,982.26 = 2,843,668.77/x - Step 3: Cross multiply
5,135,557.29x = 7,086,982.26 × 2,843,668.77 - Step 4: Simplify right side
5,135,557.29x = 20,153,030,126,306.02 - Step 5: Solve for x
x = 20,153,030,126,306.02/5,135,557.29 - Step 6: Final answer
x = 3,924,214.84
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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.