Finding the Fourth Proportional to 4,180,447.46, 5,769,005.70 and 2,320,143.84
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Solution
The fourth proportional to 4,180,447.46, 5,769,005.70 and 2,320,143.84 is: 3,201,791.95
Step by Step Solution
- Step 1: Write the proportion equation
4,180,447.46 : 5,769,005.70 = 2,320,143.84 : x - Step 2: Convert to fraction form
4,180,447.46/5,769,005.70 = 2,320,143.84/x - Step 3: Cross multiply
4,180,447.46x = 5,769,005.70 × 2,320,143.84 - Step 4: Simplify right side
4,180,447.46x = 13,384,923,033,429.62 - Step 5: Solve for x
x = 13,384,923,033,429.62/4,180,447.46 - Step 6: Final answer
x = 3,201,791.95
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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.