Finding the Fourth Proportional to 3,745,018.17, 5,173,415.87 and 2,980,093.05
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Solution
The fourth proportional to 3,745,018.17, 5,173,415.87 and 2,980,093.05 is: 4,116,738.55
Step by Step Solution
- Step 1: Write the proportion equation
3,745,018.17 : 5,173,415.87 = 2,980,093.05 : x - Step 2: Convert to fraction form
3,745,018.17/5,173,415.87 = 2,980,093.05/x - Step 3: Cross multiply
3,745,018.17x = 5,173,415.87 × 2,980,093.05 - Step 4: Simplify right side
3,745,018.17x = 15,417,260,664,046.24 - Step 5: Solve for x
x = 15,417,260,664,046.24/3,745,018.17 - Step 6: Final answer
x = 4,116,738.55
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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.