Finding the Fourth Proportional to 3,448,409.12, 5,172,294.44 and 1,626,356.24
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Solution
The fourth proportional to 3,448,409.12, 5,172,294.44 and 1,626,356.24 is: 2,439,383.80
Step by Step Solution
- Step 1: Write the proportion equation
3,448,409.12 : 5,172,294.44 = 1,626,356.24 : x - Step 2: Convert to fraction form
3,448,409.12/5,172,294.44 = 1,626,356.24/x - Step 3: Cross multiply
3,448,409.12x = 5,172,294.44 × 1,626,356.24 - Step 4: Simplify right side
3,448,409.12x = 8,411,993,337,611.31 - Step 5: Solve for x
x = 8,411,993,337,611.31/3,448,409.12 - Step 6: Final answer
x = 2,439,383.80
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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.