Finding the Fourth Proportional to 5,616,784.26, 7,751,138.94 and 3,038,458.68
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Solution
The fourth proportional to 5,616,784.26, 7,751,138.94 and 3,038,458.68 is: 4,193,060.35
Step by Step Solution
- Step 1: Write the proportion equation
5,616,784.26 : 7,751,138.94 = 3,038,458.68 : x - Step 2: Convert to fraction form
5,616,784.26/7,751,138.94 = 3,038,458.68/x - Step 3: Cross multiply
5,616,784.26x = 7,751,138.94 × 3,038,458.68 - Step 4: Simplify right side
5,616,784.26x = 23,551,515,392,129 - Step 5: Solve for x
x = 23,551,515,392,129/5,616,784.26 - Step 6: Final answer
x = 4,193,060.35
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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.