Finding the Fourth Proportional to 2,628,476.92, 3,627,345.39 and 1,541,532.46
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Solution
The fourth proportional to 2,628,476.92, 3,627,345.39 and 1,541,532.46 is: 2,127,342.49
Step by Step Solution
- Step 1: Write the proportion equation
2,628,476.92 : 3,627,345.39 = 1,541,532.46 : x - Step 2: Convert to fraction form
2,628,476.92/3,627,345.39 = 1,541,532.46/x - Step 3: Cross multiply
2,628,476.92x = 3,627,345.39 × 1,541,532.46 - Step 4: Simplify right side
2,628,476.92x = 5,591,670,644,179.63 - Step 5: Solve for x
x = 5,591,670,644,179.63/2,628,476.92 - Step 6: Final answer
x = 2,127,342.49
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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.