Finding the Fourth Proportional to 2,578,190.40, 3,862,677.60 and 1,245,556.80
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Solution
The fourth proportional to 2,578,190.40, 3,862,677.60 and 1,245,556.80 is: 1,866,109.02
Step by Step Solution
- Step 1: Write the proportion equation
2,578,190.40 : 3,862,677.60 = 1,245,556.80 : x - Step 2: Convert to fraction form
2,578,190.40/3,862,677.60 = 1,245,556.80/x - Step 3: Cross multiply
2,578,190.40x = 3,862,677.60 × 1,245,556.80 - Step 4: Simplify right side
2,578,190.40x = 4,811,184,350,887.68 - Step 5: Solve for x
x = 4,811,184,350,887.68/2,578,190.40 - Step 6: Final answer
x = 1,866,109.02
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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.