Finding the Fourth Proportional to 5,198,872.74, 7,173,892.05 and 2,875,396.05
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Solution
The fourth proportional to 5,198,872.74, 7,173,892.05 and 2,875,396.05 is: 3,967,741.07
Step by Step Solution
- Step 1: Write the proportion equation
5,198,872.74 : 7,173,892.05 = 2,875,396.05 : x - Step 2: Convert to fraction form
5,198,872.74/7,173,892.05 = 2,875,396.05/x - Step 3: Cross multiply
5,198,872.74x = 7,173,892.05 × 2,875,396.05 - Step 4: Simplify right side
5,198,872.74x = 20,627,780,863,696.40 - Step 5: Solve for x
x = 20,627,780,863,696.40/5,198,872.74 - Step 6: Final answer
x = 3,967,741.07
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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.