Finding the Fourth Proportional to 1,967,338.44, 2,715,042.76 and 1,203,538.40
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Solution
The fourth proportional to 1,967,338.44, 2,715,042.76 and 1,203,538.40 is: 1,660,953.78
Step by Step Solution
- Step 1: Write the proportion equation
1,967,338.44 : 2,715,042.76 = 1,203,538.40 : x - Step 2: Convert to fraction form
1,967,338.44/2,715,042.76 = 1,203,538.40/x - Step 3: Cross multiply
1,967,338.44x = 2,715,042.76 × 1,203,538.40 - Step 4: Simplify right side
1,967,338.44x = 3,267,658,219,301.98 - Step 5: Solve for x
x = 3,267,658,219,301.98/1,967,338.44 - Step 6: Final answer
x = 1,660,953.78
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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.