Finding the Fourth Proportional to 1,611,536.09, 2,223,920.94 and 886,438.97
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Solution
The fourth proportional to 1,611,536.09, 2,223,920.94 and 886,438.97 is: 1,223,286.40
Step by Step Solution
- Step 1: Write the proportion equation
1,611,536.09 : 2,223,920.94 = 886,438.97 : x - Step 2: Convert to fraction form
1,611,536.09/2,223,920.94 = 886,438.97/x - Step 3: Cross multiply
1,611,536.09x = 2,223,920.94 × 886,438.97 - Step 4: Simplify right side
1,611,536.09x = 1,971,370,178,531.08 - Step 5: Solve for x
x = 1,971,370,178,531.08/1,611,536.09 - Step 6: Final answer
x = 1,223,286.40
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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.