Finding the Fourth Proportional to 1,616,841.09, 2,230,857.10 and 919,067.14
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Solution
The fourth proportional to 1,616,841.09, 2,230,857.10 and 919,067.14 is: 1,268,094.60
Step by Step Solution
- Step 1: Write the proportion equation
1,616,841.09 : 2,230,857.10 = 919,067.14 : x - Step 2: Convert to fraction form
1,616,841.09/2,230,857.10 = 919,067.14/x - Step 3: Cross multiply
1,616,841.09x = 2,230,857.10 × 919,067.14 - Step 4: Simplify right side
1,616,841.09x = 2,050,307,452,838.93 - Step 5: Solve for x
x = 2,050,307,452,838.93/1,616,841.09 - Step 6: Final answer
x = 1,268,094.60
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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.