Finding the Fourth Proportional to 5,754,891.99, 7,941,751.74 and 3,176,573.31
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Solution
The fourth proportional to 5,754,891.99, 7,941,751.74 and 3,176,573.31 is: 4,383,671.60
Step by Step Solution
- Step 1: Write the proportion equation
5,754,891.99 : 7,941,751.74 = 3,176,573.31 : x - Step 2: Convert to fraction form
5,754,891.99/7,941,751.74 = 3,176,573.31/x - Step 3: Cross multiply
5,754,891.99x = 7,941,751.74 × 3,176,573.31 - Step 4: Simplify right side
5,754,891.99x = 25,227,556,596,047.20 - Step 5: Solve for x
x = 25,227,556,596,047.20/5,754,891.99 - Step 6: Final answer
x = 4,383,671.60
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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.