Finding the Fourth Proportional to 3,172,113.48, 4,366,453.36 and 2,737,908.39
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Solution
The fourth proportional to 3,172,113.48, 4,366,453.36 and 2,737,908.39 is: 3,768,764.69
Step by Step Solution
- Step 1: Write the proportion equation
3,172,113.48 : 4,366,453.36 = 2,737,908.39 : x - Step 2: Convert to fraction form
3,172,113.48/4,366,453.36 = 2,737,908.39/x - Step 3: Cross multiply
3,172,113.48x = 4,366,453.36 × 2,737,908.39 - Step 4: Simplify right side
3,172,113.48x = 11,954,949,288,887.69 - Step 5: Solve for x
x = 11,954,949,288,887.69/3,172,113.48 - Step 6: Final answer
x = 3,768,764.69
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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.