Finding the Fourth Proportional to 1,779,729.24, 2,669,571.56 and 431,903
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Solution
The fourth proportional to 1,779,729.24, 2,669,571.56 and 431,903 is: 647,849.09
Step by Step Solution
- Step 1: Write the proportion equation
1,779,729.24 : 2,669,571.56 = 431,903 : x - Step 2: Convert to fraction form
1,779,729.24/2,669,571.56 = 431,903/x - Step 3: Cross multiply
1,779,729.24x = 2,669,571.56 × 431,903 - Step 4: Simplify right side
1,779,729.24x = 1,152,995,965,478.68 - Step 5: Solve for x
x = 1,152,995,965,478.68/1,779,729.24 - Step 6: Final answer
x = 647,849.09
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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.