Finding the Fourth Proportional to 3,168,629.95, 4,745,193.49 and 2,861,575.15
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Solution
The fourth proportional to 3,168,629.95, 4,745,193.49 and 2,861,575.15 is: 4,285,362.44
Step by Step Solution
- Step 1: Write the proportion equation
3,168,629.95 : 4,745,193.49 = 2,861,575.15 : x - Step 2: Convert to fraction form
3,168,629.95/4,745,193.49 = 2,861,575.15/x - Step 3: Cross multiply
3,168,629.95x = 4,745,193.49 × 2,861,575.15 - Step 4: Simplify right side
3,168,629.95x = 13,578,727,772,925.77 - Step 5: Solve for x
x = 13,578,727,772,925.77/3,168,629.95 - Step 6: Final answer
x = 4,285,362.44
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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.