Finding the Fourth Proportional to 2,628,336.63, 3,942,478.56 and 831,220.41
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Solution
The fourth proportional to 2,628,336.63, 3,942,478.56 and 831,220.41 is: 1,246,822.27
Step by Step Solution
- Step 1: Write the proportion equation
2,628,336.63 : 3,942,478.56 = 831,220.41 : x - Step 2: Convert to fraction form
2,628,336.63/3,942,478.56 = 831,220.41/x - Step 3: Cross multiply
2,628,336.63x = 3,942,478.56 × 831,220.41 - Step 4: Simplify right side
2,628,336.63x = 3,277,068,645,059.41 - Step 5: Solve for x
x = 3,277,068,645,059.41/2,628,336.63 - Step 6: Final answer
x = 1,246,822.27
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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.