Finding the Fourth Proportional to 3,950,049.26, 5,451,511.28 and 2,231,280.48
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Solution
The fourth proportional to 3,950,049.26, 5,451,511.28 and 2,231,280.48 is: 3,079,417.47
Step by Step Solution
- Step 1: Write the proportion equation
3,950,049.26 : 5,451,511.28 = 2,231,280.48 : x - Step 2: Convert to fraction form
3,950,049.26/5,451,511.28 = 2,231,280.48/x - Step 3: Cross multiply
3,950,049.26x = 5,451,511.28 × 2,231,280.48 - Step 4: Simplify right side
3,950,049.26x = 12,163,850,705,563.81 - Step 5: Solve for x
x = 12,163,850,705,563.81/3,950,049.26 - Step 6: Final answer
x = 3,079,417.47
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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.