Finding the Fourth Proportional to 1,531,336.16, 2,296,988.66 and 394,093.94
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Solution
The fourth proportional to 1,531,336.16, 2,296,988.66 and 394,093.94 is: 591,136.89
Step by Step Solution
- Step 1: Write the proportion equation
1,531,336.16 : 2,296,988.66 = 394,093.94 : x - Step 2: Convert to fraction form
1,531,336.16/2,296,988.66 = 394,093.94/x - Step 3: Cross multiply
1,531,336.16x = 2,296,988.66 × 394,093.94 - Step 4: Simplify right side
1,531,336.16x = 905,229,297,699.31 - Step 5: Solve for x
x = 905,229,297,699.31/1,531,336.16 - Step 6: Final answer
x = 591,136.89
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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.