Finding the Fourth Proportional to 1,611,089.11, 2,223,243.21 and 885,893.68
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Solution
The fourth proportional to 1,611,089.11, 2,223,243.21 and 885,893.68 is: 1,222,500.42
Step by Step Solution
- Step 1: Write the proportion equation
1,611,089.11 : 2,223,243.21 = 885,893.68 : x - Step 2: Convert to fraction form
1,611,089.11/2,223,243.21 = 885,893.68/x - Step 3: Cross multiply
1,611,089.11x = 2,223,243.21 × 885,893.68 - Step 4: Simplify right side
1,611,089.11x = 1,969,557,108,841.91 - Step 5: Solve for x
x = 1,969,557,108,841.91/1,611,089.11 - Step 6: Final answer
x = 1,222,500.42
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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.