Finding the Fourth Proportional to 5,674,819.70, 8,512,229.55 and 3,551,453.30
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Solution
The fourth proportional to 5,674,819.70, 8,512,229.55 and 3,551,453.30 is: 5,327,179.95
Step by Step Solution
- Step 1: Write the proportion equation
5,674,819.70 : 8,512,229.55 = 3,551,453.30 : x - Step 2: Convert to fraction form
5,674,819.70/8,512,229.55 = 3,551,453.30/x - Step 3: Cross multiply
5,674,819.70x = 8,512,229.55 × 3,551,453.30 - Step 4: Simplify right side
5,674,819.70x = 30,230,785,725,705.02 - Step 5: Solve for x
x = 30,230,785,725,705.02/5,674,819.70 - Step 6: Final answer
x = 5,327,179.95
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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.