Finding the Fourth Proportional to 3,394,122.88, 4,683,888.56 and 1,866,328.96
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Solution
The fourth proportional to 3,394,122.88, 4,683,888.56 and 1,866,328.96 is: 2,575,533.41
Step by Step Solution
- Step 1: Write the proportion equation
3,394,122.88 : 4,683,888.56 = 1,866,328.96 : x - Step 2: Convert to fraction form
3,394,122.88/4,683,888.56 = 1,866,328.96/x - Step 3: Cross multiply
3,394,122.88x = 4,683,888.56 × 1,866,328.96 - Step 4: Simplify right side
3,394,122.88x = 8,741,676,864,940.70 - Step 5: Solve for x
x = 8,741,676,864,940.70/3,394,122.88 - Step 6: Final answer
x = 2,575,533.41
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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.