Finding the Fourth Proportional to 5,292,874.74, 7,301,474.08 and 3,458,405.44
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Solution
The fourth proportional to 5,292,874.74, 7,301,474.08 and 3,458,405.44 is: 4,770,839.84
Step by Step Solution
- Step 1: Write the proportion equation
5,292,874.74 : 7,301,474.08 = 3,458,405.44 : x - Step 2: Convert to fraction form
5,292,874.74/7,301,474.08 = 3,458,405.44/x - Step 3: Cross multiply
5,292,874.74x = 7,301,474.08 × 3,458,405.44 - Step 4: Simplify right side
5,292,874.74x = 25,251,457,651,391.30 - Step 5: Solve for x
x = 25,251,457,651,391.30/5,292,874.74 - Step 6: Final answer
x = 4,770,839.84
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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.