Finding the Fourth Proportional to 7,268,910.60, 10,903,268.70 and 2,220,245.40
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Solution
The fourth proportional to 7,268,910.60, 10,903,268.70 and 2,220,245.40 is: 3,330,338.41
Step by Step Solution
- Step 1: Write the proportion equation
7,268,910.60 : 10,903,268.70 = 2,220,245.40 : x - Step 2: Convert to fraction form
7,268,910.60/10,903,268.70 = 2,220,245.40/x - Step 3: Cross multiply
7,268,910.60x = 10,903,268.70 × 2,220,245.40 - Step 4: Simplify right side
7,268,910.60x = 24,207,932,176,138.98 - Step 5: Solve for x
x = 24,207,932,176,138.98/7,268,910.60 - Step 6: Final answer
x = 3,330,338.41
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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.