Finding the Fourth Proportional to 5,859,420.28, 8,085,912.12 and 3,245,916.09
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Solution
The fourth proportional to 5,859,420.28, 8,085,912.12 and 3,245,916.09 is: 4,479,315.53
Step by Step Solution
- Step 1: Write the proportion equation
5,859,420.28 : 8,085,912.12 = 3,245,916.09 : x - Step 2: Convert to fraction form
5,859,420.28/8,085,912.12 = 3,245,916.09/x - Step 3: Cross multiply
5,859,420.28x = 8,085,912.12 × 3,245,916.09 - Step 4: Simplify right side
5,859,420.28x = 26,246,192,252,634.01 - Step 5: Solve for x
x = 26,246,192,252,634.01/5,859,420.28 - Step 6: Final answer
x = 4,479,315.53
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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.