Finding the Fourth Proportional to 2,551,718.44, 3,824,236.86 and 1,288,861.48
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Solution
The fourth proportional to 2,551,718.44, 3,824,236.86 and 1,288,861.48 is: 1,931,604.80
Step by Step Solution
- Step 1: Write the proportion equation
2,551,718.44 : 3,824,236.86 = 1,288,861.48 : x - Step 2: Convert to fraction form
2,551,718.44/3,824,236.86 = 1,288,861.48/x - Step 3: Cross multiply
2,551,718.44x = 3,824,236.86 × 1,288,861.48 - Step 4: Simplify right side
2,551,718.44x = 4,928,911,579,250.15 - Step 5: Solve for x
x = 4,928,911,579,250.15/2,551,718.44 - Step 6: Final answer
x = 1,931,604.80
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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.