Finding the Fourth Proportional to 5,292,847.62, 7,301,436.64 and 3,458,378.38
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Solution
The fourth proportional to 5,292,847.62, 7,301,436.64 and 3,458,378.38 is: 4,770,802.49
Step by Step Solution
- Step 1: Write the proportion equation
5,292,847.62 : 7,301,436.64 = 3,458,378.38 : x - Step 2: Convert to fraction form
5,292,847.62/7,301,436.64 = 3,458,378.38/x - Step 3: Cross multiply
5,292,847.62x = 7,301,436.64 × 3,458,378.38 - Step 4: Simplify right side
5,292,847.62x = 25,251,130,618,715.84 - Step 5: Solve for x
x = 25,251,130,618,715.84/5,292,847.62 - Step 6: Final answer
x = 4,770,802.49
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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.