Finding the Fourth Proportional to 1,519,049.12, 2,276,580.72 and 1,117,811.36
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Solution
The fourth proportional to 1,519,049.12, 2,276,580.72 and 1,117,811.36 is: 1,675,250.50
Step by Step Solution
- Step 1: Write the proportion equation
1,519,049.12 : 2,276,580.72 = 1,117,811.36 : x - Step 2: Convert to fraction form
1,519,049.12/2,276,580.72 = 1,117,811.36/x - Step 3: Cross multiply
1,519,049.12x = 2,276,580.72 × 1,117,811.36 - Step 4: Simplify right side
1,519,049.12x = 2,544,787,790,772.98 - Step 5: Solve for x
x = 2,544,787,790,772.98/1,519,049.12 - Step 6: Final answer
x = 1,675,250.50
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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.