Finding the Fourth Proportional to 6,288,245.12, 8,677,205.67 and 3,638,634.60
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Solution
The fourth proportional to 6,288,245.12, 8,677,205.67 and 3,638,634.60 is: 5,020,984.43
Step by Step Solution
- Step 1: Write the proportion equation
6,288,245.12 : 8,677,205.67 = 3,638,634.60 : x - Step 2: Convert to fraction form
6,288,245.12/8,677,205.67 = 3,638,634.60/x - Step 3: Cross multiply
6,288,245.12x = 8,677,205.67 × 3,638,634.60 - Step 4: Simplify right side
6,288,245.12x = 31,573,180,804,987.18 - Step 5: Solve for x
x = 31,573,180,804,987.18/6,288,245.12 - Step 6: Final answer
x = 5,020,984.43
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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.