Finding the Fourth Proportional to 2,606,272.20, 3,909,408.30 and 2,511,793.80
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Solution
The fourth proportional to 2,606,272.20, 3,909,408.30 and 2,511,793.80 is: 3,767,690.70
Step by Step Solution
- Step 1: Write the proportion equation
2,606,272.20 : 3,909,408.30 = 2,511,793.80 : x - Step 2: Convert to fraction form
2,606,272.20/3,909,408.30 = 2,511,793.80/x - Step 3: Cross multiply
2,606,272.20x = 3,909,408.30 × 2,511,793.80 - Step 4: Simplify right side
2,606,272.20x = 9,819,627,529,608.54 - Step 5: Solve for x
x = 9,819,627,529,608.54/2,606,272.20 - Step 6: Final answer
x = 3,767,690.70
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1.5x scale
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.