Finding the Fourth Proportional to 4,821,414.05, 7,231,678.20 and 1,626,567.91
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Solution
The fourth proportional to 4,821,414.05, 7,231,678.20 and 1,626,567.91 is: 2,439,702.45
Step by Step Solution
- Step 1: Write the proportion equation
4,821,414.05 : 7,231,678.20 = 1,626,567.91 : x - Step 2: Convert to fraction form
4,821,414.05/7,231,678.20 = 1,626,567.91/x - Step 3: Cross multiply
4,821,414.05x = 7,231,678.20 × 1,626,567.91 - Step 4: Simplify right side
4,821,414.05x = 11,762,815,677,487.37 - Step 5: Solve for x
x = 11,762,815,677,487.37/4,821,414.05 - Step 6: Final answer
x = 2,439,702.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.