Finding the Fourth Proportional to 3,323,709.70, 4,985,564.55 and 1,079,847.70
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Solution
The fourth proportional to 3,323,709.70, 4,985,564.55 and 1,079,847.70 is: 1,619,771.55
Step by Step Solution
- Step 1: Write the proportion equation
3,323,709.70 : 4,985,564.55 = 1,079,847.70 : x - Step 2: Convert to fraction form
3,323,709.70/4,985,564.55 = 1,079,847.70/x - Step 3: Cross multiply
3,323,709.70x = 4,985,564.55 × 1,079,847.70 - Step 4: Simplify right side
3,323,709.70x = 5,383,650,412,519.03 - Step 5: Solve for x
x = 5,383,650,412,519.03/3,323,709.70 - Step 6: Final answer
x = 1,619,771.55
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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.