Finding the Fourth Proportional to 3,450,660.75, 4,762,266.12 and 2,074,450.01
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Solution
The fourth proportional to 3,450,660.75, 4,762,266.12 and 2,074,450.01 is: 2,862,953.99
Step by Step Solution
- Step 1: Write the proportion equation
3,450,660.75 : 4,762,266.12 = 2,074,450.01 : x - Step 2: Convert to fraction form
3,450,660.75/4,762,266.12 = 2,074,450.01/x - Step 3: Cross multiply
3,450,660.75x = 4,762,266.12 × 2,074,450.01 - Step 4: Simplify right side
3,450,660.75x = 9,879,082,976,445.33 - Step 5: Solve for x
x = 9,879,082,976,445.33/3,450,660.75 - Step 6: Final answer
x = 2,862,953.99
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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.