Finding the Fourth Proportional to 4,530,318.53, 6,251,837.31 and 2,493,128.03
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Solution
The fourth proportional to 4,530,318.53, 6,251,837.31 and 2,493,128.03 is: 3,440,515.43
Step by Step Solution
- Step 1: Write the proportion equation
4,530,318.53 : 6,251,837.31 = 2,493,128.03 : x - Step 2: Convert to fraction form
4,530,318.53/6,251,837.31 = 2,493,128.03/x - Step 3: Cross multiply
4,530,318.53x = 6,251,837.31 × 2,493,128.03 - Step 4: Simplify right side
4,530,318.53x = 15,586,630,805,301.61 - Step 5: Solve for x
x = 15,586,630,805,301.61/4,530,318.53 - Step 6: Final answer
x = 3,440,515.43
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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.