Finding the Fourth Proportional to 5,557,919.05, 7,670,733.79 and 3,202,658.56
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Solution
The fourth proportional to 5,557,919.05, 7,670,733.79 and 3,202,658.56 is: 4,420,132.97
Step by Step Solution
- Step 1: Write the proportion equation
5,557,919.05 : 7,670,733.79 = 3,202,658.56 : x - Step 2: Convert to fraction form
5,557,919.05/7,670,733.79 = 3,202,658.56/x - Step 3: Cross multiply
5,557,919.05x = 7,670,733.79 × 3,202,658.56 - Step 4: Simplify right side
5,557,919.05x = 24,566,741,234,024.74 - Step 5: Solve for x
x = 24,566,741,234,024.74/5,557,919.05 - Step 6: Final answer
x = 4,420,132.97
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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.