Finding the Fourth Proportional to 4,788,537.82, 6,608,321.74 and 2,613,221.08
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Solution
The fourth proportional to 4,788,537.82, 6,608,321.74 and 2,613,221.08 is: 3,606,321.25
Step by Step Solution
- Step 1: Write the proportion equation
4,788,537.82 : 6,608,321.74 = 2,613,221.08 : x - Step 2: Convert to fraction form
4,788,537.82/6,608,321.74 = 2,613,221.08/x - Step 3: Cross multiply
4,788,537.82x = 6,608,321.74 × 2,613,221.08 - Step 4: Simplify right side
4,788,537.82x = 17,269,005,684,378.03 - Step 5: Solve for x
x = 17,269,005,684,378.03/4,788,537.82 - Step 6: Final answer
x = 3,606,321.25
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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.