Finding the Fourth Proportional to 5,905,414.75, 8,149,472.46 and 3,189,160.75
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Solution
The fourth proportional to 5,905,414.75, 8,149,472.46 and 3,189,160.75 is: 4,401,041.89
Step by Step Solution
- Step 1: Write the proportion equation
5,905,414.75 : 8,149,472.46 = 3,189,160.75 : x - Step 2: Convert to fraction form
5,905,414.75/8,149,472.46 = 3,189,160.75/x - Step 3: Cross multiply
5,905,414.75x = 8,149,472.46 × 3,189,160.75 - Step 4: Simplify right side
5,905,414.75x = 25,989,977,702,637.95 - Step 5: Solve for x
x = 25,989,977,702,637.95/5,905,414.75 - Step 6: Final answer
x = 4,401,041.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.