Finding the Fourth Proportional to 1,497,679.40, 2,067,168.98 and 853,481.80
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Solution
The fourth proportional to 1,497,679.40, 2,067,168.98 and 853,481.80 is: 1,178,016.54
Step by Step Solution
- Step 1: Write the proportion equation
1,497,679.40 : 2,067,168.98 = 853,481.80 : x - Step 2: Convert to fraction form
1,497,679.40/2,067,168.98 = 853,481.80/x - Step 3: Cross multiply
1,497,679.40x = 2,067,168.98 × 853,481.80 - Step 4: Simplify right side
1,497,679.40x = 1,764,291,101,954.56 - Step 5: Solve for x
x = 1,764,291,101,954.56/1,497,679.40 - Step 6: Final answer
x = 1,178,016.54
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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.