Finding the Fourth Proportional to 1,432,563.09, 1,977,082.07 and 820,797
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Solution
The fourth proportional to 1,432,563.09, 1,977,082.07 and 820,797 is: 1,132,782.94
Step by Step Solution
- Step 1: Write the proportion equation
1,432,563.09 : 1,977,082.07 = 820,797 : x - Step 2: Convert to fraction form
1,432,563.09/1,977,082.07 = 820,797/x - Step 3: Cross multiply
1,432,563.09x = 1,977,082.07 × 820,797 - Step 4: Simplify right side
1,432,563.09x = 1,622,783,031,809.79 - Step 5: Solve for x
x = 1,622,783,031,809.79/1,432,563.09 - Step 6: Final answer
x = 1,132,782.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.