Finding the Fourth Proportional to 3,358,702.26, 4,635,135.09 and 1,908,644.58
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Solution
The fourth proportional to 3,358,702.26, 4,635,135.09 and 1,908,644.58 is: 2,634,001.11
Step by Step Solution
- Step 1: Write the proportion equation
3,358,702.26 : 4,635,135.09 = 1,908,644.58 : x - Step 2: Convert to fraction form
3,358,702.26/4,635,135.09 = 1,908,644.58/x - Step 3: Cross multiply
3,358,702.26x = 4,635,135.09 × 1,908,644.58 - Step 4: Simplify right side
3,358,702.26x = 8,846,825,467,096.31 - Step 5: Solve for x
x = 8,846,825,467,096.31/3,358,702.26 - Step 6: Final answer
x = 2,634,001.11
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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.