Finding the Fourth Proportional to 3,408,538.26, 4,705,487.31 and 2,119,793.82
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Solution
The fourth proportional to 3,408,538.26, 4,705,487.31 and 2,119,793.82 is: 2,926,375.52
Step by Step Solution
- Step 1: Write the proportion equation
3,408,538.26 : 4,705,487.31 = 2,119,793.82 : x - Step 2: Convert to fraction form
3,408,538.26/4,705,487.31 = 2,119,793.82/x - Step 3: Cross multiply
3,408,538.26x = 4,705,487.31 × 2,119,793.82 - Step 4: Simplify right side
3,408,538.26x = 9,974,662,919,826.42 - Step 5: Solve for x
x = 9,974,662,919,826.42/3,408,538.26 - Step 6: Final answer
x = 2,926,375.52
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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.