Finding the Fourth Proportional to 3,875,537.99, 5,348,199.99 and 2,133,170.13
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Solution
The fourth proportional to 3,875,537.99, 5,348,199.99 and 2,133,170.13 is: 2,943,751.42
Step by Step Solution
- Step 1: Write the proportion equation
3,875,537.99 : 5,348,199.99 = 2,133,170.13 : x - Step 2: Convert to fraction form
3,875,537.99/5,348,199.99 = 2,133,170.13/x - Step 3: Cross multiply
3,875,537.99x = 5,348,199.99 × 2,133,170.13 - Step 4: Simplify right side
3,875,537.99x = 11,408,620,453,906.73 - Step 5: Solve for x
x = 11,408,620,453,906.73/3,875,537.99 - Step 6: Final answer
x = 2,943,751.42
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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.