Finding the Fourth Proportional to 6,919,207.92, 9,548,523.81 and 3,863,531.52
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Solution
The fourth proportional to 6,919,207.92, 9,548,523.81 and 3,863,531.52 is: 5,331,682.92
Step by Step Solution
- Step 1: Write the proportion equation
6,919,207.92 : 9,548,523.81 = 3,863,531.52 : x - Step 2: Convert to fraction form
6,919,207.92/9,548,523.81 = 3,863,531.52/x - Step 3: Cross multiply
6,919,207.92x = 9,548,523.81 × 3,863,531.52 - Step 4: Simplify right side
6,919,207.92x = 36,891,022,709,405.49 - Step 5: Solve for x
x = 36,891,022,709,405.49/6,919,207.92 - Step 6: Final answer
x = 5,331,682.92
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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.