Finding the Fourth Proportional to 1,828,449.62, 2,520,915.81 and 1,419,858.26
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Solution
The fourth proportional to 1,828,449.62, 2,520,915.81 and 1,419,858.26 is: 1,957,583.68
Step by Step Solution
- Step 1: Write the proportion equation
1,828,449.62 : 2,520,915.81 = 1,419,858.26 : x - Step 2: Convert to fraction form
1,828,449.62/2,520,915.81 = 1,419,858.26/x - Step 3: Cross multiply
1,828,449.62x = 2,520,915.81 × 1,419,858.26 - Step 4: Simplify right side
1,828,449.62x = 3,579,343,135,593.09 - Step 5: Solve for x
x = 3,579,343,135,593.09/1,828,449.62 - Step 6: Final answer
x = 1,957,583.68
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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.