Finding the Fourth Proportional to 3,586,501.80, 5,379,752.70 and 3,232,207.80
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Solution
The fourth proportional to 3,586,501.80, 5,379,752.70 and 3,232,207.80 is: 4,848,311.70
Step by Step Solution
- Step 1: Write the proportion equation
3,586,501.80 : 5,379,752.70 = 3,232,207.80 : x - Step 2: Convert to fraction form
3,586,501.80/5,379,752.70 = 3,232,207.80/x - Step 3: Cross multiply
3,586,501.80x = 5,379,752.70 × 3,232,207.80 - Step 4: Simplify right side
3,586,501.80x = 17,388,478,639,011.06 - Step 5: Solve for x
x = 17,388,478,639,011.06/3,586,501.80 - Step 6: Final answer
x = 4,848,311.70
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1.5x scale
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.