Finding the Fourth Proportional to 4,431,131.38, 6,114,961.38 and 2,393,940.88
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Solution
The fourth proportional to 4,431,131.38, 6,114,961.38 and 2,393,940.88 is: 3,303,638.46
Step by Step Solution
- Step 1: Write the proportion equation
4,431,131.38 : 6,114,961.38 = 2,393,940.88 : x - Step 2: Convert to fraction form
4,431,131.38/6,114,961.38 = 2,393,940.88/x - Step 3: Cross multiply
4,431,131.38x = 6,114,961.38 × 2,393,940.88 - Step 4: Simplify right side
4,431,131.38x = 14,638,856,027,203.21 - Step 5: Solve for x
x = 14,638,856,027,203.21/4,431,131.38 - Step 6: Final answer
x = 3,303,638.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.