Finding the Fourth Proportional to 5,063,896.90, 6,987,734.27 and 2,858,638.18
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Solution
The fourth proportional to 5,063,896.90, 6,987,734.27 and 2,858,638.18 is: 3,944,670.36
Step by Step Solution
- Step 1: Write the proportion equation
5,063,896.90 : 6,987,734.27 = 2,858,638.18 : x - Step 2: Convert to fraction form
5,063,896.90/6,987,734.27 = 2,858,638.18/x - Step 3: Cross multiply
5,063,896.90x = 6,987,734.27 × 2,858,638.18 - Step 4: Simplify right side
5,063,896.90x = 19,975,403,984,055.64 - Step 5: Solve for x
x = 19,975,403,984,055.64/5,063,896.90 - Step 6: Final answer
x = 3,944,670.36
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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.