Finding the Fourth Proportional to 3,429,750.79, 5,144,628.01 and 871,157.62
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Solution
The fourth proportional to 3,429,750.79, 5,144,628.01 and 871,157.62 is: 1,306,736.89
Step by Step Solution
- Step 1: Write the proportion equation
3,429,750.79 : 5,144,628.01 = 871,157.62 : x - Step 2: Convert to fraction form
3,429,750.79/5,144,628.01 = 871,157.62/x - Step 3: Cross multiply
3,429,750.79x = 5,144,628.01 × 871,157.62 - Step 4: Simplify right side
3,429,750.79x = 4,481,781,892,976.94 - Step 5: Solve for x
x = 4,481,781,892,976.94/3,429,750.79 - Step 6: Final answer
x = 1,306,736.89
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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.