Finding the Fourth Proportional to 3,204,391.68, 4,421,758.08 and 1,914,975.36
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Solution
The fourth proportional to 3,204,391.68, 4,421,758.08 and 1,914,975.36 is: 2,642,485.26
Step by Step Solution
- Step 1: Write the proportion equation
3,204,391.68 : 4,421,758.08 = 1,914,975.36 : x - Step 2: Convert to fraction form
3,204,391.68/4,421,758.08 = 1,914,975.36/x - Step 3: Cross multiply
3,204,391.68x = 4,421,758.08 × 1,914,975.36 - Step 4: Simplify right side
3,204,391.68x = 8,467,557,771,080.91 - Step 5: Solve for x
x = 8,467,557,771,080.91/3,204,391.68 - Step 6: Final answer
x = 2,642,485.26
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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.