Finding the Fourth Proportional to 3,193,445.78, 4,790,236.73 and 1,144,240.19
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Solution
The fourth proportional to 3,193,445.78, 4,790,236.73 and 1,144,240.19 is: 1,716,384.66
Step by Step Solution
- Step 1: Write the proportion equation
3,193,445.78 : 4,790,236.73 = 1,144,240.19 : x - Step 2: Convert to fraction form
3,193,445.78/4,790,236.73 = 1,144,240.19/x - Step 3: Cross multiply
3,193,445.78x = 4,790,236.73 × 1,144,240.19 - Step 4: Simplify right side
3,193,445.78x = 5,481,181,356,407.79 - Step 5: Solve for x
x = 5,481,181,356,407.79/3,193,445.78 - Step 6: Final answer
x = 1,716,384.66
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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.