Finding the Fourth Proportional to 1,538,883.36, 2,123,593.07 and 850,519.62
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Solution
The fourth proportional to 1,538,883.36, 2,123,593.07 and 850,519.62 is: 1,173,680.61
Step by Step Solution
- Step 1: Write the proportion equation
1,538,883.36 : 2,123,593.07 = 850,519.62 : x - Step 2: Convert to fraction form
1,538,883.36/2,123,593.07 = 850,519.62/x - Step 3: Cross multiply
1,538,883.36x = 2,123,593.07 × 850,519.62 - Step 4: Simplify right side
1,538,883.36x = 1,806,157,566,678.44 - Step 5: Solve for x
x = 1,806,157,566,678.44/1,538,883.36 - Step 6: Final answer
x = 1,173,680.61
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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.