Finding the Fourth Proportional to 1,611,286.95, 2,223,531.66 and 886,134.71
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Solution
The fourth proportional to 1,611,286.95, 2,223,531.66 and 886,134.71 is: 1,222,841.51
Step by Step Solution
- Step 1: Write the proportion equation
1,611,286.95 : 2,223,531.66 = 886,134.71 : x - Step 2: Convert to fraction form
1,611,286.95/2,223,531.66 = 886,134.71/x - Step 3: Cross multiply
1,611,286.95x = 2,223,531.66 × 886,134.71 - Step 4: Simplify right side
1,611,286.95x = 1,970,348,571,592.26 - Step 5: Solve for x
x = 1,970,348,571,592.26/1,611,286.95 - Step 6: Final answer
x = 1,222,841.51
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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.