Finding the Fourth Proportional to 3,394,121.88, 4,683,887.18 and 1,866,327.96
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Solution
The fourth proportional to 3,394,121.88, 4,683,887.18 and 1,866,327.96 is: 2,575,532.03
Step by Step Solution
- Step 1: Write the proportion equation
3,394,121.88 : 4,683,887.18 = 1,866,327.96 : x - Step 2: Convert to fraction form
3,394,121.88/4,683,887.18 = 1,866,327.96/x - Step 3: Cross multiply
3,394,121.88x = 4,683,887.18 × 1,866,327.96 - Step 4: Simplify right side
3,394,121.88x = 8,741,669,605,519.55 - Step 5: Solve for x
x = 8,741,669,605,519.55/3,394,121.88 - Step 6: Final answer
x = 2,575,532.03
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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.