Finding the Fourth Proportional to 3,198,275.58, 4,413,193.56 and 2,053,905.96
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Solution
The fourth proportional to 3,198,275.58, 4,413,193.56 and 2,053,905.96 is: 2,834,116.18
Step by Step Solution
- Step 1: Write the proportion equation
3,198,275.58 : 4,413,193.56 = 2,053,905.96 : x - Step 2: Convert to fraction form
3,198,275.58/4,413,193.56 = 2,053,905.96/x - Step 3: Cross multiply
3,198,275.58x = 4,413,193.56 × 2,053,905.96 - Step 4: Simplify right side
3,198,275.58x = 9,064,284,555,517.62 - Step 5: Solve for x
x = 9,064,284,555,517.62/3,198,275.58 - Step 6: Final answer
x = 2,834,116.18
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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.