Finding the Fourth Proportional to 4,048,381.99, 5,586,917.60 and 2,212,963.70
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Solution
The fourth proportional to 4,048,381.99, 5,586,917.60 and 2,212,963.70 is: 3,053,972.15
Step by Step Solution
- Step 1: Write the proportion equation
4,048,381.99 : 5,586,917.60 = 2,212,963.70 : x - Step 2: Convert to fraction form
4,048,381.99/5,586,917.60 = 2,212,963.70/x - Step 3: Cross multiply
4,048,381.99x = 5,586,917.60 × 2,212,963.70 - Step 4: Simplify right side
4,048,381.99x = 12,363,645,832,626.30 - Step 5: Solve for x
x = 12,363,645,832,626.30/4,048,381.99 - Step 6: Final answer
x = 3,053,972.15
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1.5x scale
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.