Finding the Fourth Proportional to 3,118,517.67, 4,303,625.00 and 1,830,287.19
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Solution
The fourth proportional to 3,118,517.67, 4,303,625.00 and 1,830,287.19 is: 2,525,837.76
Step by Step Solution
- Step 1: Write the proportion equation
3,118,517.67 : 4,303,625.00 = 1,830,287.19 : x - Step 2: Convert to fraction form
3,118,517.67/4,303,625.00 = 1,830,287.19/x - Step 3: Cross multiply
3,118,517.67x = 4,303,625.00 × 1,830,287.19 - Step 4: Simplify right side
3,118,517.67x = 7,876,869,698,912.32 - Step 5: Solve for x
x = 7,876,869,698,912.32/3,118,517.67 - Step 6: Final answer
x = 2,525,837.76
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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.