Finding the Fourth Proportional to 5,701,835.12, 7,868,469.82 and 3,088,274.18
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Solution
The fourth proportional to 5,701,835.12, 7,868,469.82 and 3,088,274.18 is: 4,261,784.44
Step by Step Solution
- Step 1: Write the proportion equation
5,701,835.12 : 7,868,469.82 = 3,088,274.18 : x - Step 2: Convert to fraction form
5,701,835.12/7,868,469.82 = 3,088,274.18/x - Step 3: Cross multiply
5,701,835.12x = 7,868,469.82 × 3,088,274.18 - Step 4: Simplify right side
5,701,835.12x = 24,299,992,181,215.25 - Step 5: Solve for x
x = 24,299,992,181,215.25/5,701,835.12 - Step 6: Final answer
x = 4,261,784.44
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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.