Finding the Fourth Proportional to 1,753,458.88, 2,419,749.36 and 979,101.68
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Solution
The fourth proportional to 1,753,458.88, 2,419,749.36 and 979,101.68 is: 1,351,146.98
Step by Step Solution
- Step 1: Write the proportion equation
1,753,458.88 : 2,419,749.36 = 979,101.68 : x - Step 2: Convert to fraction form
1,753,458.88/2,419,749.36 = 979,101.68/x - Step 3: Cross multiply
1,753,458.88x = 2,419,749.36 × 979,101.68 - Step 4: Simplify right side
1,753,458.88x = 2,369,180,663,554.92 - Step 5: Solve for x
x = 2,369,180,663,554.92/1,753,458.88 - Step 6: Final answer
x = 1,351,146.98
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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.