Finding the Fourth Proportional to 1,995,748.67, 2,754,135.88 and 1,136,309.31
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Solution
The fourth proportional to 1,995,748.67, 2,754,135.88 and 1,136,309.31 is: 1,568,108.39
Step by Step Solution
- Step 1: Write the proportion equation
1,995,748.67 : 2,754,135.88 = 1,136,309.31 : x - Step 2: Convert to fraction form
1,995,748.67/2,754,135.88 = 1,136,309.31/x - Step 3: Cross multiply
1,995,748.67x = 2,754,135.88 × 1,136,309.31 - Step 4: Simplify right side
1,995,748.67x = 3,129,550,238,608.27 - Step 5: Solve for x
x = 3,129,550,238,608.27/1,995,748.67 - Step 6: Final answer
x = 1,568,108.39
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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.