Finding the Fourth Proportional to 1,397,818.37, 2,096,493.99 and 387,042.50
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Solution
The fourth proportional to 1,397,818.37, 2,096,493.99 and 387,042.50 is: 580,499.07
Step by Step Solution
- Step 1: Write the proportion equation
1,397,818.37 : 2,096,493.99 = 387,042.50 : x - Step 2: Convert to fraction form
1,397,818.37/2,096,493.99 = 387,042.50/x - Step 3: Cross multiply
1,397,818.37x = 2,096,493.99 × 387,042.50 - Step 4: Simplify right side
1,397,818.37x = 811,432,264,642.11 - Step 5: Solve for x
x = 811,432,264,642.11/1,397,818.37 - Step 6: Final answer
x = 580,499.07
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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.