Finding the Fourth Proportional to 3,411,915.31, 5,116,161.64 and 1,136,639.79
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Solution
The fourth proportional to 3,411,915.31, 5,116,161.64 and 1,136,639.79 is: 1,704,389.58
Step by Step Solution
- Step 1: Write the proportion equation
3,411,915.31 : 5,116,161.64 = 1,136,639.79 : x - Step 2: Convert to fraction form
3,411,915.31/5,116,161.64 = 1,136,639.79/x - Step 3: Cross multiply
3,411,915.31x = 5,116,161.64 × 1,136,639.79 - Step 4: Simplify right side
3,411,915.31x = 5,815,232,891,385.26 - Step 5: Solve for x
x = 5,815,232,891,385.26/3,411,915.31 - Step 6: Final answer
x = 1,704,389.58
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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.