Finding the Fourth Proportional to 3,111,167.20, 4,657,419.60 and 1,848,344.80
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Solution
The fourth proportional to 3,111,167.20, 4,657,419.60 and 1,848,344.80 is: 2,766,973.53
Step by Step Solution
- Step 1: Write the proportion equation
3,111,167.20 : 4,657,419.60 = 1,848,344.80 : x - Step 2: Convert to fraction form
3,111,167.20/4,657,419.60 = 1,848,344.80/x - Step 3: Cross multiply
3,111,167.20x = 4,657,419.60 × 1,848,344.80 - Step 4: Simplify right side
3,111,167.20x = 8,608,517,299,078.08 - Step 5: Solve for x
x = 8,608,517,299,078.08/3,111,167.20 - Step 6: Final answer
x = 2,766,973.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.