Finding the Fourth Proportional to 2,690,535.12, 4,036,377.92 and 984,672.68
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Solution
The fourth proportional to 2,690,535.12, 4,036,377.92 and 984,672.68 is: 1,477,219.54
Step by Step Solution
- Step 1: Write the proportion equation
2,690,535.12 : 4,036,377.92 = 984,672.68 : x - Step 2: Convert to fraction form
2,690,535.12/4,036,377.92 = 984,672.68/x - Step 3: Cross multiply
2,690,535.12x = 4,036,377.92 × 984,672.68 - Step 4: Simplify right side
2,690,535.12x = 3,974,511,063,979.23 - Step 5: Solve for x
x = 3,974,511,063,979.23/2,690,535.12 - Step 6: Final answer
x = 1,477,219.54
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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.