Finding the Fourth Proportional to 3,805,217.49, 5,707,218.65 and 1,108,912.01
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Solution
The fourth proportional to 3,805,217.49, 5,707,218.65 and 1,108,912.01 is: 1,663,190.95
Step by Step Solution
- Step 1: Write the proportion equation
3,805,217.49 : 5,707,218.65 = 1,108,912.01 : x - Step 2: Convert to fraction form
3,805,217.49/5,707,218.65 = 1,108,912.01/x - Step 3: Cross multiply
3,805,217.49x = 5,707,218.65 × 1,108,912.01 - Step 4: Simplify right side
3,805,217.49x = 6,328,803,302,475.26 - Step 5: Solve for x
x = 6,328,803,302,475.26/3,805,217.49 - Step 6: Final answer
x = 1,663,190.95
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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.