Finding the Fourth Proportional to 1,611,286.30, 2,223,530.76 and 886,134.05
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Solution
The fourth proportional to 1,611,286.30, 2,223,530.76 and 886,134.05 is: 1,222,840.61
Step by Step Solution
- Step 1: Write the proportion equation
1,611,286.30 : 2,223,530.76 = 886,134.05 : x - Step 2: Convert to fraction form
1,611,286.30/2,223,530.76 = 886,134.05/x - Step 3: Cross multiply
1,611,286.30x = 2,223,530.76 × 886,134.05 - Step 4: Simplify right side
1,611,286.30x = 1,970,346,324,455.65 - Step 5: Solve for x
x = 1,970,346,324,455.65/1,611,286.30 - Step 6: Final answer
x = 1,222,840.61
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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.