Finding the Fourth Proportional to 4,994,487.54, 7,491,734.96 and 1,207,974.06
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Solution
The fourth proportional to 4,994,487.54, 7,491,734.96 and 1,207,974.06 is: 1,811,961.97
Step by Step Solution
- Step 1: Write the proportion equation
4,994,487.54 : 7,491,734.96 = 1,207,974.06 : x - Step 2: Convert to fraction form
4,994,487.54/7,491,734.96 = 1,207,974.06/x - Step 3: Cross multiply
4,994,487.54x = 7,491,734.96 × 1,207,974.06 - Step 4: Simplify right side
4,994,487.54x = 9,049,821,490,035.27 - Step 5: Solve for x
x = 9,049,821,490,035.27/4,994,487.54 - Step 6: Final answer
x = 1,811,961.97
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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.