Finding the Fourth Proportional to 3,992,491.62, 5,993,886.06 and 3,427,503.66
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Solution
The fourth proportional to 3,992,491.62, 5,993,886.06 and 3,427,503.66 is: 5,145,675.52
Step by Step Solution
- Step 1: Write the proportion equation
3,992,491.62 : 5,993,886.06 = 3,427,503.66 : x - Step 2: Convert to fraction form
3,992,491.62/5,993,886.06 = 3,427,503.66/x - Step 3: Cross multiply
3,992,491.62x = 5,993,886.06 × 3,427,503.66 - Step 4: Simplify right side
3,992,491.62x = 20,544,066,408,272.98 - Step 5: Solve for x
x = 20,544,066,408,272.98/3,992,491.62 - Step 6: Final answer
x = 5,145,675.52
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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.