Finding the Fourth Proportional to 1,581,803.75, 2,373,110.22 and 459,872.75
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Solution
The fourth proportional to 1,581,803.75, 2,373,110.22 and 459,872.75 is: 689,926.75
Step by Step Solution
- Step 1: Write the proportion equation
1,581,803.75 : 2,373,110.22 = 459,872.75 : x - Step 2: Convert to fraction form
1,581,803.75/2,373,110.22 = 459,872.75/x - Step 3: Cross multiply
1,581,803.75x = 2,373,110.22 × 459,872.75 - Step 4: Simplify right side
1,581,803.75x = 1,091,328,722,924.51 - Step 5: Solve for x
x = 1,091,328,722,924.51/1,581,803.75 - Step 6: Final answer
x = 689,926.75
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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.