Finding the Fourth Proportional to 1,611,218.36, 2,223,538.44 and 886,122.14
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Solution
The fourth proportional to 1,611,218.36, 2,223,538.44 and 886,122.14 is: 1,222,879.96
Step by Step Solution
- Step 1: Write the proportion equation
1,611,218.36 : 2,223,538.44 = 886,122.14 : x - Step 2: Convert to fraction form
1,611,218.36/2,223,538.44 = 886,122.14/x - Step 3: Cross multiply
1,611,218.36x = 2,223,538.44 × 886,122.14 - Step 4: Simplify right side
1,611,218.36x = 1,970,326,640,825.06 - Step 5: Solve for x
x = 1,970,326,640,825.06/1,611,218.36 - Step 6: Final answer
x = 1,222,879.96
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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.