Finding the Fourth Proportional to 5,216,535.49, 7,190,501.04 and 4,112,166.09
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Solution
The fourth proportional to 5,216,535.49, 7,190,501.04 and 4,112,166.09 is: 5,668,232.22
Step by Step Solution
- Step 1: Write the proportion equation
5,216,535.49 : 7,190,501.04 = 4,112,166.09 : x - Step 2: Convert to fraction form
5,216,535.49/7,190,501.04 = 4,112,166.09/x - Step 3: Cross multiply
5,216,535.49x = 7,190,501.04 × 4,112,166.09 - Step 4: Simplify right side
5,216,535.49x = 29,568,534,546,797.73 - Step 5: Solve for x
x = 29,568,534,546,797.73/5,216,535.49 - Step 6: Final answer
x = 5,668,232.22
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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.