Finding the Fourth Proportional to 1,436,517.20, 1,982,393.88 and 824,709.62
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Solution
The fourth proportional to 1,436,517.20, 1,982,393.88 and 824,709.62 is: 1,138,099.36
Step by Step Solution
- Step 1: Write the proportion equation
1,436,517.20 : 1,982,393.88 = 824,709.62 : x - Step 2: Convert to fraction form
1,436,517.20/1,982,393.88 = 824,709.62/x - Step 3: Cross multiply
1,436,517.20x = 1,982,393.88 × 824,709.62 - Step 4: Simplify right side
1,436,517.20x = 1,634,899,303,465.13 - Step 5: Solve for x
x = 1,634,899,303,465.13/1,436,517.20 - Step 6: Final answer
x = 1,138,099.36
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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.