Finding the Fourth Proportional to 5,691,922.65, 7,855,040.61 and 3,113,544.42
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Solution
The fourth proportional to 5,691,922.65, 7,855,040.61 and 3,113,544.42 is: 4,296,793.78
Step by Step Solution
- Step 1: Write the proportion equation
5,691,922.65 : 7,855,040.61 = 3,113,544.42 : x - Step 2: Convert to fraction form
5,691,922.65/7,855,040.61 = 3,113,544.42/x - Step 3: Cross multiply
5,691,922.65x = 7,855,040.61 × 3,113,544.42 - Step 4: Simplify right side
5,691,922.65x = 24,457,017,860,138.90 - Step 5: Solve for x
x = 24,457,017,860,138.90/5,691,922.65 - Step 6: Final answer
x = 4,296,793.78
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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.