Finding the Fourth Proportional to 5,572,676.56, 7,691,134.26 and 3,398,480.92
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Solution
The fourth proportional to 5,572,676.56, 7,691,134.26 and 3,398,480.92 is: 4,690,416.31
Step by Step Solution
- Step 1: Write the proportion equation
5,572,676.56 : 7,691,134.26 = 3,398,480.92 : x - Step 2: Convert to fraction form
5,572,676.56/7,691,134.26 = 3,398,480.92/x - Step 3: Cross multiply
5,572,676.56x = 7,691,134.26 × 3,398,480.92 - Step 4: Simplify right side
5,572,676.56x = 26,138,173,035,768.32 - Step 5: Solve for x
x = 26,138,173,035,768.32/5,572,676.56 - Step 6: Final answer
x = 4,690,416.31
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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.