Finding the Fourth Proportional to 1,728,271.28, 2,384,349.17 and 1,082,567.36
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Solution
The fourth proportional to 1,728,271.28, 2,384,349.17 and 1,082,567.36 is: 1,493,526.28
Step by Step Solution
- Step 1: Write the proportion equation
1,728,271.28 : 2,384,349.17 = 1,082,567.36 : x - Step 2: Convert to fraction form
1,728,271.28/2,384,349.17 = 1,082,567.36/x - Step 3: Cross multiply
1,728,271.28x = 2,384,349.17 × 1,082,567.36 - Step 4: Simplify right side
1,728,271.28x = 2,581,218,586,833.13 - Step 5: Solve for x
x = 2,581,218,586,833.13/1,728,271.28 - Step 6: Final answer
x = 1,493,526.28
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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.