Finding the Fourth Proportional to 1,649,609.80, 2,474,414.70 and 809,801.80
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Solution
The fourth proportional to 1,649,609.80, 2,474,414.70 and 809,801.80 is: 1,214,702.70
Step by Step Solution
- Step 1: Write the proportion equation
1,649,609.80 : 2,474,414.70 = 809,801.80 : x - Step 2: Convert to fraction form
1,649,609.80/2,474,414.70 = 809,801.80/x - Step 3: Cross multiply
1,649,609.80x = 2,474,414.70 × 809,801.80 - Step 4: Simplify right side
1,649,609.80x = 2,003,785,478,006.46 - Step 5: Solve for x
x = 2,003,785,478,006.46/1,649,609.80 - Step 6: Final answer
x = 1,214,702.70
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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.