Finding the Fourth Proportional to 4,788,943.80, 6,608,882.44 and 2,613,626.64
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Solution
The fourth proportional to 4,788,943.80, 6,608,882.44 and 2,613,626.64 is: 3,606,881.17
Step by Step Solution
- Step 1: Write the proportion equation
4,788,943.80 : 6,608,882.44 = 2,613,626.64 : x - Step 2: Convert to fraction form
4,788,943.80/6,608,882.44 = 2,613,626.64/x - Step 3: Cross multiply
4,788,943.80x = 6,608,882.44 × 2,613,626.64 - Step 4: Simplify right side
4,788,943.80x = 17,273,151,205,812.20 - Step 5: Solve for x
x = 17,273,151,205,812.20/4,788,943.80 - Step 6: Final answer
x = 3,606,881.17
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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.