Finding the Fourth Proportional to 1,826,939.08, 2,740,211.76 and 479,236.78
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Solution
The fourth proportional to 1,826,939.08, 2,740,211.76 and 479,236.78 is: 718,803.53
Step by Step Solution
- Step 1: Write the proportion equation
1,826,939.08 : 2,740,211.76 = 479,236.78 : x - Step 2: Convert to fraction form
1,826,939.08/2,740,211.76 = 479,236.78/x - Step 3: Cross multiply
1,826,939.08x = 2,740,211.76 × 479,236.78 - Step 4: Simplify right side
1,826,939.08x = 1,313,210,260,380.53 - Step 5: Solve for x
x = 1,313,210,260,380.53/1,826,939.08 - Step 6: Final answer
x = 718,803.53
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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.