Finding the Fourth Proportional to 2,589,813.60, 3,882,877.20 and 991,759.20
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Solution
The fourth proportional to 2,589,813.60, 3,882,877.20 and 991,759.20 is: 1,486,932.95
Step by Step Solution
- Step 1: Write the proportion equation
2,589,813.60 : 3,882,877.20 = 991,759.20 : x - Step 2: Convert to fraction form
2,589,813.60/3,882,877.20 = 991,759.20/x - Step 3: Cross multiply
2,589,813.60x = 3,882,877.20 × 991,759.20 - Step 4: Simplify right side
2,589,813.60x = 3,850,879,185,570.24 - Step 5: Solve for x
x = 3,850,879,185,570.24/2,589,813.60 - Step 6: Final answer
x = 1,486,932.95
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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.