Finding the Fourth Proportional to 1,512,245.70, 2,266,006.19 and 1,286,678.52
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Solution
The fourth proportional to 1,512,245.70, 2,266,006.19 and 1,286,678.52 is: 1,928,007.79
Step by Step Solution
- Step 1: Write the proportion equation
1,512,245.70 : 2,266,006.19 = 1,286,678.52 : x - Step 2: Convert to fraction form
1,512,245.70/2,266,006.19 = 1,286,678.52/x - Step 3: Cross multiply
1,512,245.70x = 2,266,006.19 × 1,286,678.52 - Step 4: Simplify right side
1,512,245.70x = 2,915,621,484,426.65 - Step 5: Solve for x
x = 2,915,621,484,426.65/1,512,245.70 - Step 6: Final answer
x = 1,928,007.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.