Finding the Fourth Proportional to 2,133,403.08, 3,200,107.68 and 871,230.68
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Solution
The fourth proportional to 2,133,403.08, 3,200,107.68 and 871,230.68 is: 1,306,847.27
Step by Step Solution
- Step 1: Write the proportion equation
2,133,403.08 : 3,200,107.68 = 871,230.68 : x - Step 2: Convert to fraction form
2,133,403.08/3,200,107.68 = 871,230.68/x - Step 3: Cross multiply
2,133,403.08x = 3,200,107.68 × 871,230.68 - Step 4: Simplify right side
2,133,403.08x = 2,788,031,990,119.62 - Step 5: Solve for x
x = 2,788,031,990,119.62/2,133,403.08 - Step 6: Final answer
x = 1,306,847.27
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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.