Finding the Fourth Proportional to 2,972,433.13, 4,457,245.21 and 1,151,651.07
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Solution
The fourth proportional to 2,972,433.13, 4,457,245.21 and 1,151,651.07 is: 1,726,932.44
Step by Step Solution
- Step 1: Write the proportion equation
2,972,433.13 : 4,457,245.21 = 1,151,651.07 : x - Step 2: Convert to fraction form
2,972,433.13/4,457,245.21 = 1,151,651.07/x - Step 3: Cross multiply
2,972,433.13x = 4,457,245.21 × 1,151,651.07 - Step 4: Simplify right side
2,972,433.13x = 5,133,191,203,172.76 - Step 5: Solve for x
x = 5,133,191,203,172.76/2,972,433.13 - Step 6: Final answer
x = 1,726,932.44
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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.