Finding the Fourth Proportional to 1,540,517.10, 2,125,197.20 and 996,828.39
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Solution
The fourth proportional to 1,540,517.10, 2,125,197.20 and 996,828.39 is: 1,375,159.62
Step by Step Solution
- Step 1: Write the proportion equation
1,540,517.10 : 2,125,197.20 = 996,828.39 : x - Step 2: Convert to fraction form
1,540,517.10/2,125,197.20 = 996,828.39/x - Step 3: Cross multiply
1,540,517.10x = 2,125,197.20 × 996,828.39 - Step 4: Simplify right side
1,540,517.10x = 2,118,456,905,800.58 - Step 5: Solve for x
x = 2,118,456,905,800.58/1,540,517.10 - Step 6: Final answer
x = 1,375,159.62
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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.