Finding the Fourth Proportional to 2,173,586.12, 3,259,330.49 and 911,074.76
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Solution
The fourth proportional to 2,173,586.12, 3,259,330.49 and 911,074.76 is: 1,366,172.57
Step by Step Solution
- Step 1: Write the proportion equation
2,173,586.12 : 3,259,330.49 = 911,074.76 : x - Step 2: Convert to fraction form
2,173,586.12/3,259,330.49 = 911,074.76/x - Step 3: Cross multiply
2,173,586.12x = 3,259,330.49 × 911,074.76 - Step 4: Simplify right side
2,173,586.12x = 2,969,493,723,085.41 - Step 5: Solve for x
x = 2,969,493,723,085.41/2,173,586.12 - Step 6: Final answer
x = 1,366,172.57
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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.