Finding the Fourth Proportional to 1,611,282.15, 2,223,524.97 and 886,129.86
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Solution
The fourth proportional to 1,611,282.15, 2,223,524.97 and 886,129.86 is: 1,222,834.79
Step by Step Solution
- Step 1: Write the proportion equation
1,611,282.15 : 2,223,524.97 = 886,129.86 : x - Step 2: Convert to fraction form
1,611,282.15/2,223,524.97 = 886,129.86/x - Step 3: Cross multiply
1,611,282.15x = 2,223,524.97 × 886,129.86 - Step 4: Simplify right side
1,611,282.15x = 1,970,331,870,372.60 - Step 5: Solve for x
x = 1,970,331,870,372.60/1,611,282.15 - Step 6: Final answer
x = 1,222,834.79
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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.