Finding the Fourth Proportional to 4,493,782.81, 6,202,573.69 and 2,773,915.07
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Solution
The fourth proportional to 4,493,782.81, 6,202,573.69 and 2,773,915.07 is: 3,828,714.78
Step by Step Solution
- Step 1: Write the proportion equation
4,493,782.81 : 6,202,573.69 = 2,773,915.07 : x - Step 2: Convert to fraction form
4,493,782.81/6,202,573.69 = 2,773,915.07/x - Step 3: Cross multiply
4,493,782.81x = 6,202,573.69 × 2,773,915.07 - Step 4: Simplify right side
4,493,782.81x = 17,205,412,631,476.51 - Step 5: Solve for x
x = 17,205,412,631,476.51/4,493,782.81 - Step 6: Final answer
x = 3,828,714.78
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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.