Finding the Fourth Proportional to 3,212,010.82, 4,432,737.62 and 1,761,841.49
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Solution
The fourth proportional to 3,212,010.82, 4,432,737.62 and 1,761,841.49 is: 2,431,430.50
Step by Step Solution
- Step 1: Write the proportion equation
3,212,010.82 : 4,432,737.62 = 1,761,841.49 : x - Step 2: Convert to fraction form
3,212,010.82/4,432,737.62 = 1,761,841.49/x - Step 3: Cross multiply
3,212,010.82x = 4,432,737.62 × 1,761,841.49 - Step 4: Simplify right side
3,212,010.82x = 7,809,781,050,464.56 - Step 5: Solve for x
x = 7,809,781,050,464.56/3,212,010.82 - Step 6: Final answer
x = 2,431,430.50
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1.5x scale
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.