Finding the Fourth Proportional to 4,043,325.12, 5,579,766.44 and 2,207,770.38
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Solution
The fourth proportional to 4,043,325.12, 5,579,766.44 and 2,207,770.38 is: 3,046,710.99
Step by Step Solution
- Step 1: Write the proportion equation
4,043,325.12 : 5,579,766.44 = 2,207,770.38 : x - Step 2: Convert to fraction form
4,043,325.12/5,579,766.44 = 2,207,770.38/x - Step 3: Cross multiply
4,043,325.12x = 5,579,766.44 × 2,207,770.38 - Step 4: Simplify right side
4,043,325.12x = 12,318,843,073,550.05 - Step 5: Solve for x
x = 12,318,843,073,550.05/4,043,325.12 - Step 6: Final answer
x = 3,046,710.99
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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.