Finding the Fourth Proportional to 2,192,380.26, 3,025,272.12 and 1,376,323.08
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Solution
The fourth proportional to 2,192,380.26, 3,025,272.12 and 1,376,323.08 is: 1,899,192.36
Step by Step Solution
- Step 1: Write the proportion equation
2,192,380.26 : 3,025,272.12 = 1,376,323.08 : x - Step 2: Convert to fraction form
2,192,380.26/3,025,272.12 = 1,376,323.08/x - Step 3: Cross multiply
2,192,380.26x = 3,025,272.12 × 1,376,323.08 - Step 4: Simplify right side
2,192,380.26x = 4,163,751,842,036.53 - Step 5: Solve for x
x = 4,163,751,842,036.53/2,192,380.26 - Step 6: Final answer
x = 1,899,192.36
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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.