Finding the Fourth Proportional to 4,260,873.60, 6,394,939.20 and 1,738,339.20
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Solution
The fourth proportional to 4,260,873.60, 6,394,939.20 and 1,738,339.20 is: 2,608,989.27
Step by Step Solution
- Step 1: Write the proportion equation
4,260,873.60 : 6,394,939.20 = 1,738,339.20 : x - Step 2: Convert to fraction form
4,260,873.60/6,394,939.20 = 1,738,339.20/x - Step 3: Cross multiply
4,260,873.60x = 6,394,939.20 × 1,738,339.20 - Step 4: Simplify right side
4,260,873.60x = 11,116,573,492,976.64 - Step 5: Solve for x
x = 11,116,573,492,976.64/4,260,873.60 - Step 6: Final answer
x = 2,608,989.27
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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.