Finding the Fourth Proportional to 1,943,989.60, 2,913,651.60 and 996,872.80
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Solution
The fourth proportional to 1,943,989.60, 2,913,651.60 and 996,872.80 is: 1,494,112.95
Step by Step Solution
- Step 1: Write the proportion equation
1,943,989.60 : 2,913,651.60 = 996,872.80 : x - Step 2: Convert to fraction form
1,943,989.60/2,913,651.60 = 996,872.80/x - Step 3: Cross multiply
1,943,989.60x = 2,913,651.60 × 996,872.80 - Step 4: Simplify right side
1,943,989.60x = 2,904,540,028,716.48 - Step 5: Solve for x
x = 2,904,540,028,716.48/1,943,989.60 - Step 6: Final answer
x = 1,494,112.95
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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.