Finding the Fourth Proportional to 3,186,408.26, 4,779,608.05 and 1,479,618.26
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Solution
The fourth proportional to 3,186,408.26, 4,779,608.05 and 1,479,618.26 is: 2,219,425.37
Step by Step Solution
- Step 1: Write the proportion equation
3,186,408.26 : 4,779,608.05 = 1,479,618.26 : x - Step 2: Convert to fraction form
3,186,408.26/4,779,608.05 = 1,479,618.26/x - Step 3: Cross multiply
3,186,408.26x = 4,779,608.05 × 1,479,618.26 - Step 4: Simplify right side
3,186,408.26x = 7,071,995,330,936.15 - Step 5: Solve for x
x = 7,071,995,330,936.15/3,186,408.26 - Step 6: Final answer
x = 2,219,425.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.