Finding the Fourth Proportional to 5,135,561.87, 7,086,988.49 and 2,843,673.35
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Solution
The fourth proportional to 5,135,561.87, 7,086,988.49 and 2,843,673.35 is: 3,924,221.10
Step by Step Solution
- Step 1: Write the proportion equation
5,135,561.87 : 7,086,988.49 = 2,843,673.35 : x - Step 2: Convert to fraction form
5,135,561.87/7,086,988.49 = 2,843,673.35/x - Step 3: Cross multiply
5,135,561.87x = 7,086,988.49 × 2,843,673.35 - Step 4: Simplify right side
5,135,561.87x = 20,153,080,251,116.43 - Step 5: Solve for x
x = 20,153,080,251,116.43/5,135,561.87 - Step 6: Final answer
x = 3,924,221.10
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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.