Finding the Fourth Proportional to 1,509,901.44, 2,083,601.12 and 821,576.00
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Solution
The fourth proportional to 1,509,901.44, 2,083,601.12 and 821,576.00 is: 1,133,740.66
Step by Step Solution
- Step 1: Write the proportion equation
1,509,901.44 : 2,083,601.12 = 821,576.00 : x - Step 2: Convert to fraction form
1,509,901.44/2,083,601.12 = 821,576.00/x - Step 3: Cross multiply
1,509,901.44x = 2,083,601.12 × 821,576.00 - Step 4: Simplify right side
1,509,901.44x = 1,711,836,659,239.23 - Step 5: Solve for x
x = 1,711,836,659,239.23/1,509,901.44 - Step 6: Final answer
x = 1,133,740.66
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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.