Finding the Fourth Proportional to 5,691,926.64, 7,855,046.12 and 3,113,548.44
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Solution
The fourth proportional to 5,691,926.64, 7,855,046.12 and 3,113,548.44 is: 4,296,799.33
Step by Step Solution
- Step 1: Write the proportion equation
5,691,926.64 : 7,855,046.12 = 3,113,548.44 : x - Step 2: Convert to fraction form
5,691,926.64/7,855,046.12 = 3,113,548.44/x - Step 3: Cross multiply
5,691,926.64x = 7,855,046.12 × 3,113,548.44 - Step 4: Simplify right side
5,691,926.64x = 24,457,066,593,054.05 - Step 5: Solve for x
x = 24,457,066,593,054.05/5,691,926.64 - Step 6: Final answer
x = 4,296,799.33
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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.