Finding the Fourth Proportional to 5,315,874.62, 7,335,433.82 and 2,960,892.08
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Solution
The fourth proportional to 5,315,874.62, 7,335,433.82 and 2,960,892.08 is: 4,085,767.53
Step by Step Solution
- Step 1: Write the proportion equation
5,315,874.62 : 7,335,433.82 = 2,960,892.08 : x - Step 2: Convert to fraction form
5,315,874.62/7,335,433.82 = 2,960,892.08/x - Step 3: Cross multiply
5,315,874.62x = 7,335,433.82 × 2,960,892.08 - Step 4: Simplify right side
5,315,874.62x = 21,719,427,901,002.15 - Step 5: Solve for x
x = 21,719,427,901,002.15/5,315,874.62 - Step 6: Final answer
x = 4,085,767.53
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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.