Finding the Fourth Proportional to 5,915,211.66, 8,163,016.68 and 3,198,957.66
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Solution
The fourth proportional to 5,915,211.66, 8,163,016.68 and 3,198,957.66 is: 4,414,574.87
Step by Step Solution
- Step 1: Write the proportion equation
5,915,211.66 : 8,163,016.68 = 3,198,957.66 : x - Step 2: Convert to fraction form
5,915,211.66/8,163,016.68 = 3,198,957.66/x - Step 3: Cross multiply
5,915,211.66x = 8,163,016.68 × 3,198,957.66 - Step 4: Simplify right side
5,915,211.66x = 26,113,144,737,193.77 - Step 5: Solve for x
x = 26,113,144,737,193.77/5,915,211.66 - Step 6: Final answer
x = 4,414,574.87
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1.5x scale
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.