Finding the Fourth Proportional to 2,745,012.48, 4,117,784.78 and 851,245.44
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Solution
The fourth proportional to 2,745,012.48, 4,117,784.78 and 851,245.44 is: 1,276,950.67
Step by Step Solution
- Step 1: Write the proportion equation
2,745,012.48 : 4,117,784.78 = 851,245.44 : x - Step 2: Convert to fraction form
2,745,012.48/4,117,784.78 = 851,245.44/x - Step 3: Cross multiply
2,745,012.48x = 4,117,784.78 × 851,245.44 - Step 4: Simplify right side
2,745,012.48x = 3,505,245,516,876.40 - Step 5: Solve for x
x = 3,505,245,516,876.40/2,745,012.48 - Step 6: Final answer
x = 1,276,950.67
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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.