Finding the Fourth Proportional to 3,411,893.81, 5,116,129.36 and 1,136,618.26
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Solution
The fourth proportional to 3,411,893.81, 5,116,129.36 and 1,136,618.26 is: 1,704,357.27
Step by Step Solution
- Step 1: Write the proportion equation
3,411,893.81 : 5,116,129.36 = 1,136,618.26 : x - Step 2: Convert to fraction form
3,411,893.81/5,116,129.36 = 1,136,618.26/x - Step 3: Cross multiply
3,411,893.81x = 5,116,129.36 × 1,136,618.26 - Step 4: Simplify right side
3,411,893.81x = 5,815,086,035,466.25 - Step 5: Solve for x
x = 5,815,086,035,466.25/3,411,893.81 - Step 6: Final answer
x = 1,704,357.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.