Finding the Fourth Proportional to 4,937,493.11, 6,813,418.81 and 2,761,658.87
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Solution
The fourth proportional to 4,937,493.11, 6,813,418.81 and 2,761,658.87 is: 3,810,909.32
Step by Step Solution
- Step 1: Write the proportion equation
4,937,493.11 : 6,813,418.81 = 2,761,658.87 : x - Step 2: Convert to fraction form
4,937,493.11/6,813,418.81 = 2,761,658.87/x - Step 3: Cross multiply
4,937,493.11x = 6,813,418.81 × 2,761,658.87 - Step 4: Simplify right side
4,937,493.11x = 18,816,338,491,661.34 - Step 5: Solve for x
x = 18,816,338,491,661.34/4,937,493.11 - Step 6: Final answer
x = 3,810,909.32
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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.