Finding the Fourth Proportional to 4,896,712.70, 7,336,211.70 and 4,188,124.70
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Solution
The fourth proportional to 4,896,712.70, 7,336,211.70 and 4,188,124.70 is: 6,274,611.42
Step by Step Solution
- Step 1: Write the proportion equation
4,896,712.70 : 7,336,211.70 = 4,188,124.70 : x - Step 2: Convert to fraction form
4,896,712.70/7,336,211.70 = 4,188,124.70/x - Step 3: Cross multiply
4,896,712.70x = 7,336,211.70 × 4,188,124.70 - Step 4: Simplify right side
4,896,712.70x = 30,724,969,425,198.99 - Step 5: Solve for x
x = 30,724,969,425,198.99/4,896,712.70 - Step 6: Final answer
x = 6,274,611.42
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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.