Finding the Fourth Proportional to 5,351,170.86, 7,384,578.30 and 2,903,719.68
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Solution
The fourth proportional to 5,351,170.86, 7,384,578.30 and 2,903,719.68 is: 4,007,112.82
Step by Step Solution
- Step 1: Write the proportion equation
5,351,170.86 : 7,384,578.30 = 2,903,719.68 : x - Step 2: Convert to fraction form
5,351,170.86/7,384,578.30 = 2,903,719.68/x - Step 3: Cross multiply
5,351,170.86x = 7,384,578.30 × 2,903,719.68 - Step 4: Simplify right side
5,351,170.86x = 21,442,745,338,210.95 - Step 5: Solve for x
x = 21,442,745,338,210.95/5,351,170.86 - Step 6: Final answer
x = 4,007,112.82
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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.