Finding the Fourth Proportional to 3,366,638.64, 4,642,884.36 and 2,631,690
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Solution
The fourth proportional to 3,366,638.64, 4,642,884.36 and 2,631,690 is: 3,629,326.95
Step by Step Solution
- Step 1: Write the proportion equation
3,366,638.64 : 4,642,884.36 = 2,631,690 : x - Step 2: Convert to fraction form
3,366,638.64/4,642,884.36 = 2,631,690/x - Step 3: Cross multiply
3,366,638.64x = 4,642,884.36 × 2,631,690 - Step 4: Simplify right side
3,366,638.64x = 12,218,632,341,368.40 - Step 5: Solve for x
x = 12,218,632,341,368.40/3,366,638.64 - Step 6: Final answer
x = 3,629,326.95
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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.