Finding the Fourth Proportional to 4,651,399.26, 6,418,417.23 and 2,790,716.09
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Solution
The fourth proportional to 4,651,399.26, 6,418,417.23 and 2,790,716.09 is: 3,850,879.96
Step by Step Solution
- Step 1: Write the proportion equation
4,651,399.26 : 6,418,417.23 = 2,790,716.09 : x - Step 2: Convert to fraction form
4,651,399.26/6,418,417.23 = 2,790,716.09/x - Step 3: Cross multiply
4,651,399.26x = 6,418,417.23 × 2,790,716.09 - Step 4: Simplify right side
4,651,399.26x = 17,911,980,204,002.14 - Step 5: Solve for x
x = 17,911,980,204,002.14/4,651,399.26 - Step 6: Final answer
x = 3,850,879.96
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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.