Finding the Fourth Proportional to 1,904,393.26, 2,628,108.11 and 1,088,672.84
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Solution
The fourth proportional to 1,904,393.26, 2,628,108.11 and 1,088,672.84 is: 1,502,394.48
Step by Step Solution
- Step 1: Write the proportion equation
1,904,393.26 : 2,628,108.11 = 1,088,672.84 : x - Step 2: Convert to fraction form
1,904,393.26/2,628,108.11 = 1,088,672.84/x - Step 3: Cross multiply
1,904,393.26x = 2,628,108.11 × 1,088,672.84 - Step 4: Simplify right side
1,904,393.26x = 2,861,149,919,940.73 - Step 5: Solve for x
x = 2,861,149,919,940.73/1,904,393.26 - Step 6: Final answer
x = 1,502,394.48
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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.