Finding the Fourth Proportional to 4,651,400.26, 6,418,418.61 and 2,790,717.09
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Solution
The fourth proportional to 4,651,400.26, 6,418,418.61 and 2,790,717.09 is: 3,850,881.35
Step by Step Solution
- Step 1: Write the proportion equation
4,651,400.26 : 6,418,418.61 = 2,790,717.09 : x - Step 2: Convert to fraction form
4,651,400.26/6,418,418.61 = 2,790,717.09/x - Step 3: Cross multiply
4,651,400.26x = 6,418,418.61 × 2,790,717.09 - Step 4: Simplify right side
4,651,400.26x = 17,911,990,505,701.04 - Step 5: Solve for x
x = 17,911,990,505,701.04/4,651,400.26 - Step 6: Final answer
x = 3,850,881.35
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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.