Finding the Fourth Proportional to 2,087,161.92, 3,131,793.36 and 1,555,750.08
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Solution
The fourth proportional to 2,087,161.92, 3,131,793.36 and 1,555,750.08 is: 2,334,408.14
Step by Step Solution
- Step 1: Write the proportion equation
2,087,161.92 : 3,131,793.36 = 1,555,750.08 : x - Step 2: Convert to fraction form
2,087,161.92/3,131,793.36 = 1,555,750.08/x - Step 3: Cross multiply
2,087,161.92x = 3,131,793.36 × 1,555,750.08 - Step 4: Simplify right side
2,087,161.92x = 4,872,287,770,363.47 - Step 5: Solve for x
x = 4,872,287,770,363.47/2,087,161.92 - Step 6: Final answer
x = 2,334,408.14
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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.