Finding the Fourth Proportional to 5,051,799.50, 6,971,490.18 and 2,876,343.62
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Solution
The fourth proportional to 5,051,799.50, 6,971,490.18 and 2,876,343.62 is: 3,969,358.10
Step by Step Solution
- Step 1: Write the proportion equation
5,051,799.50 : 6,971,490.18 = 2,876,343.62 : x - Step 2: Convert to fraction form
5,051,799.50/6,971,490.18 = 2,876,343.62/x - Step 3: Cross multiply
5,051,799.50x = 6,971,490.18 × 2,876,343.62 - Step 4: Simplify right side
5,051,799.50x = 20,052,401,266,278.20 - Step 5: Solve for x
x = 20,052,401,266,278.20/5,051,799.50 - Step 6: Final answer
x = 3,969,358.10
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1.5x scale
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.