Finding the Fourth Proportional to 5,037,790.12, 7,557,138.98 and 1,626,157.60
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Solution
The fourth proportional to 5,037,790.12, 7,557,138.98 and 1,626,157.60 is: 2,439,382.88
Step by Step Solution
- Step 1: Write the proportion equation
5,037,790.12 : 7,557,138.98 = 1,626,157.60 : x - Step 2: Convert to fraction form
5,037,790.12/7,557,138.98 = 1,626,157.60/x - Step 3: Cross multiply
5,037,790.12x = 7,557,138.98 × 1,626,157.60 - Step 4: Simplify right side
5,037,790.12x = 12,289,098,986,583.25 - Step 5: Solve for x
x = 12,289,098,986,583.25/5,037,790.12 - Step 6: Final answer
x = 2,439,382.88
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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.