Finding the Fourth Proportional to 2,129,233.89, 3,194,354.27 and 689,914.92
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Solution
The fourth proportional to 2,129,233.89, 3,194,354.27 and 689,914.92 is: 1,035,035.50
Step by Step Solution
- Step 1: Write the proportion equation
2,129,233.89 : 3,194,354.27 = 689,914.92 : x - Step 2: Convert to fraction form
2,129,233.89/3,194,354.27 = 689,914.92/x - Step 3: Cross multiply
2,129,233.89x = 3,194,354.27 × 689,914.92 - Step 4: Simplify right side
2,129,233.89x = 2,203,832,667,189.13 - Step 5: Solve for x
x = 2,203,832,667,189.13/2,129,233.89 - Step 6: Final answer
x = 1,035,035.50
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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.