Finding the Fourth Proportional to 3,161,649.94, 4,363,087.82 and 1,711,344.98
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Solution
The fourth proportional to 3,161,649.94, 4,363,087.82 and 1,711,344.98 is: 2,361,661.98
Step by Step Solution
- Step 1: Write the proportion equation
3,161,649.94 : 4,363,087.82 = 1,711,344.98 : x - Step 2: Convert to fraction form
3,161,649.94/4,363,087.82 = 1,711,344.98/x - Step 3: Cross multiply
3,161,649.94x = 4,363,087.82 × 1,711,344.98 - Step 4: Simplify right side
3,161,649.94x = 7,466,748,440,407.14 - Step 5: Solve for x
x = 7,466,748,440,407.14/3,161,649.94 - Step 6: Final answer
x = 2,361,661.98
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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.