Finding the Fourth Proportional to 5,052,943.45, 7,581,805.49 and 2,622,805.21
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Solution
The fourth proportional to 5,052,943.45, 7,581,805.49 and 2,622,805.21 is: 3,935,448.54
Step by Step Solution
- Step 1: Write the proportion equation
5,052,943.45 : 7,581,805.49 = 2,622,805.21 : x - Step 2: Convert to fraction form
5,052,943.45/7,581,805.49 = 2,622,805.21/x - Step 3: Cross multiply
5,052,943.45x = 7,581,805.49 × 2,622,805.21 - Step 4: Simplify right side
5,052,943.45x = 19,885,598,940,378.60 - Step 5: Solve for x
x = 19,885,598,940,378.60/5,052,943.45 - Step 6: Final answer
x = 3,935,448.54
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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.