Finding the Fourth Proportional to 1,721,185.02, 2,375,409.51 and 986,236.62
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Solution
The fourth proportional to 1,721,185.02, 2,375,409.51 and 986,236.62 is: 1,361,106.34
Step by Step Solution
- Step 1: Write the proportion equation
1,721,185.02 : 2,375,409.51 = 986,236.62 : x - Step 2: Convert to fraction form
1,721,185.02/2,375,409.51 = 986,236.62/x - Step 3: Cross multiply
1,721,185.02x = 2,375,409.51 × 986,236.62 - Step 4: Simplify right side
1,721,185.02x = 2,342,715,846,258.26 - Step 5: Solve for x
x = 2,342,715,846,258.26/1,721,185.02 - Step 6: Final answer
x = 1,361,106.34
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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.