Finding the Fourth Proportional to 3,172,112.48, 4,366,451.98 and 2,737,907.39
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Solution
The fourth proportional to 3,172,112.48, 4,366,451.98 and 2,737,907.39 is: 3,768,763.31
Step by Step Solution
- Step 1: Write the proportion equation
3,172,112.48 : 4,366,451.98 = 2,737,907.39 : x - Step 2: Convert to fraction form
3,172,112.48/4,366,451.98 = 2,737,907.39/x - Step 3: Cross multiply
3,172,112.48x = 4,366,451.98 × 2,737,907.39 - Step 4: Simplify right side
3,172,112.48x = 11,954,941,144,122.13 - Step 5: Solve for x
x = 11,954,941,144,122.13/3,172,112.48 - Step 6: Final answer
x = 3,768,763.31
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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.