Finding the Fourth Proportional to 1,761,749.29, 2,431,098.84 and 1,036,456.75
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Solution
The fourth proportional to 1,761,749.29, 2,431,098.84 and 1,036,456.75 is: 1,430,242.55
Step by Step Solution
- Step 1: Write the proportion equation
1,761,749.29 : 2,431,098.84 = 1,036,456.75 : x - Step 2: Convert to fraction form
1,761,749.29/2,431,098.84 = 1,036,456.75/x - Step 3: Cross multiply
1,761,749.29x = 2,431,098.84 × 1,036,456.75 - Step 4: Simplify right side
1,761,749.29x = 2,519,728,802,635.17 - Step 5: Solve for x
x = 2,519,728,802,635.17/1,761,749.29 - Step 6: Final answer
x = 1,430,242.55
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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.