Finding the Fourth Proportional to 4,670,475.60, 7,008,046.20 and 2,650,270.80
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Solution
The fourth proportional to 4,670,475.60, 7,008,046.20 and 2,650,270.80 is: 3,976,729.95
Step by Step Solution
- Step 1: Write the proportion equation
4,670,475.60 : 7,008,046.20 = 2,650,270.80 : x - Step 2: Convert to fraction form
4,670,475.60/7,008,046.20 = 2,650,270.80/x - Step 3: Cross multiply
4,670,475.60x = 7,008,046.20 × 2,650,270.80 - Step 4: Simplify right side
4,670,475.60x = 18,573,220,208,910.96 - Step 5: Solve for x
x = 18,573,220,208,910.96/4,670,475.60 - Step 6: Final answer
x = 3,976,729.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.