Finding the Fourth Proportional to 3,670,197.70, 5,502,672.15 and 1,646,785.30
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Solution
The fourth proportional to 3,670,197.70, 5,502,672.15 and 1,646,785.30 is: 2,469,000.40
Step by Step Solution
- Step 1: Write the proportion equation
3,670,197.70 : 5,502,672.15 = 1,646,785.30 : x - Step 2: Convert to fraction form
3,670,197.70/5,502,672.15 = 1,646,785.30/x - Step 3: Cross multiply
3,670,197.70x = 5,502,672.15 × 1,646,785.30 - Step 4: Simplify right side
3,670,197.70x = 9,061,719,607,339.40 - Step 5: Solve for x
x = 9,061,719,607,339.40/3,670,197.70 - Step 6: Final answer
x = 2,469,000.40
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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.