Finding the Fourth Proportional to 1,504,122.21, 2,255,941.53 and 438,914.70
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Solution
The fourth proportional to 1,504,122.21, 2,255,941.53 and 438,914.70 is: 658,301.50
Step by Step Solution
- Step 1: Write the proportion equation
1,504,122.21 : 2,255,941.53 = 438,914.70 : x - Step 2: Convert to fraction form
1,504,122.21/2,255,941.53 = 438,914.70/x - Step 3: Cross multiply
1,504,122.21x = 2,255,941.53 × 438,914.70 - Step 4: Simplify right side
1,504,122.21x = 990,165,899,857.49 - Step 5: Solve for x
x = 990,165,899,857.49/1,504,122.21 - Step 6: Final answer
x = 658,301.50
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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.