Finding the Fourth Proportional to 2,723,672.70, 4,085,509.05 and 1,660,790.70
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Solution
The fourth proportional to 2,723,672.70, 4,085,509.05 and 1,660,790.70 is: 2,491,186.05
Step by Step Solution
- Step 1: Write the proportion equation
2,723,672.70 : 4,085,509.05 = 1,660,790.70 : x - Step 2: Convert to fraction form
2,723,672.70/4,085,509.05 = 1,660,790.70/x - Step 3: Cross multiply
2,723,672.70x = 4,085,509.05 × 1,660,790.70 - Step 4: Simplify right side
2,723,672.70x = 6,785,175,435,005.84 - Step 5: Solve for x
x = 6,785,175,435,005.84/2,723,672.70 - Step 6: Final answer
x = 2,491,186.05
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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.