Finding the Fourth Proportional to 1,278,232.11, 1,913,850.79 and 1,244,351.84
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Solution
The fourth proportional to 1,278,232.11, 1,913,850.79 and 1,244,351.84 is: 1,863,123.07
Step by Step Solution
- Step 1: Write the proportion equation
1,278,232.11 : 1,913,850.79 = 1,244,351.84 : x - Step 2: Convert to fraction form
1,278,232.11/1,913,850.79 = 1,244,351.84/x - Step 3: Cross multiply
1,278,232.11x = 1,913,850.79 × 1,244,351.84 - Step 4: Simplify right side
1,278,232.11x = 2,381,503,739,341.82 - Step 5: Solve for x
x = 2,381,503,739,341.82/1,278,232.11 - Step 6: Final answer
x = 1,863,123.07
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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.