Finding the Fourth Proportional to 3,198,691.49, 4,798,877.61 and 1,149,558.96
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Solution
The fourth proportional to 3,198,691.49, 4,798,877.61 and 1,149,558.96 is: 1,724,640.46
Step by Step Solution
- Step 1: Write the proportion equation
3,198,691.49 : 4,798,877.61 = 1,149,558.96 : x - Step 2: Convert to fraction form
3,198,691.49/4,798,877.61 = 1,149,558.96/x - Step 3: Cross multiply
3,198,691.49x = 4,798,877.61 × 1,149,558.96 - Step 4: Simplify right side
3,198,691.49x = 5,516,592,754,518.89 - Step 5: Solve for x
x = 5,516,592,754,518.89/3,198,691.49 - Step 6: Final answer
x = 1,724,640.46
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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.