Finding the Fourth Proportional to 1,666,165.23, 2,497,357.86 and 765,745.94
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Solution
The fourth proportional to 1,666,165.23, 2,497,357.86 and 765,745.94 is: 1,147,750.30
Step by Step Solution
- Step 1: Write the proportion equation
1,666,165.23 : 2,497,357.86 = 765,745.94 : x - Step 2: Convert to fraction form
1,666,165.23/2,497,357.86 = 765,745.94/x - Step 3: Cross multiply
1,666,165.23x = 2,497,357.86 × 765,745.94 - Step 4: Simplify right side
1,666,165.23x = 1,912,341,642,022.09 - Step 5: Solve for x
x = 1,912,341,642,022.09/1,666,165.23 - Step 6: Final answer
x = 1,147,750.30
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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.