Finding the Fourth Proportional to 3,611,700.99, 5,416,960.95 and 1,086,765.75
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Solution
The fourth proportional to 3,611,700.99, 5,416,960.95 and 1,086,765.75 is: 1,629,970.93
Step by Step Solution
- Step 1: Write the proportion equation
3,611,700.99 : 5,416,960.95 = 1,086,765.75 : x - Step 2: Convert to fraction form
3,611,700.99/5,416,960.95 = 1,086,765.75/x - Step 3: Cross multiply
3,611,700.99x = 5,416,960.95 × 1,086,765.75 - Step 4: Simplify right side
3,611,700.99x = 5,886,967,629,547.46 - Step 5: Solve for x
x = 5,886,967,629,547.46/3,611,700.99 - Step 6: Final answer
x = 1,629,970.93
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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.