Finding the Fourth Proportional to 5,754,871.98, 7,941,724.11 and 3,176,553.42
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Solution
The fourth proportional to 5,754,871.98, 7,941,724.11 and 3,176,553.42 is: 4,383,644.15
Step by Step Solution
- Step 1: Write the proportion equation
5,754,871.98 : 7,941,724.11 = 3,176,553.42 : x - Step 2: Convert to fraction form
5,754,871.98/7,941,724.11 = 3,176,553.42/x - Step 3: Cross multiply
5,754,871.98x = 7,941,724.11 × 3,176,553.42 - Step 4: Simplify right side
5,754,871.98x = 25,227,310,882,316.96 - Step 5: Solve for x
x = 25,227,310,882,316.96/5,754,871.98 - Step 6: Final answer
x = 4,383,644.15
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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.