Finding the Fourth Proportional to 1,754,091.28, 2,420,645.97 and 949,275.28
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Solution
The fourth proportional to 1,754,091.28, 2,420,645.97 and 949,275.28 is: 1,309,999.89
Step by Step Solution
- Step 1: Write the proportion equation
1,754,091.28 : 2,420,645.97 = 949,275.28 : x - Step 2: Convert to fraction form
1,754,091.28/2,420,645.97 = 949,275.28/x - Step 3: Cross multiply
1,754,091.28x = 2,420,645.97 × 949,275.28 - Step 4: Simplify right side
1,754,091.28x = 2,297,859,382,198.54 - Step 5: Solve for x
x = 2,297,859,382,198.54/1,754,091.28 - Step 6: Final answer
x = 1,309,999.89
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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.