Finding the Fourth Proportional to 4,788,537.19, 6,608,320.88 and 2,613,220.46
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Solution
The fourth proportional to 4,788,537.19, 6,608,320.88 and 2,613,220.46 is: 3,606,320.39
Step by Step Solution
- Step 1: Write the proportion equation
4,788,537.19 : 6,608,320.88 = 2,613,220.46 : x - Step 2: Convert to fraction form
4,788,537.19/6,608,320.88 = 2,613,220.46/x - Step 3: Cross multiply
4,788,537.19x = 6,608,320.88 × 2,613,220.46 - Step 4: Simplify right side
4,788,537.19x = 17,268,999,296,144.10 - Step 5: Solve for x
x = 17,268,999,296,144.10/4,788,537.19 - Step 6: Final answer
x = 3,606,320.39
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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.