Finding the Fourth Proportional to 1,684,138.40, 2,526,207.60 and 486,099.80
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Solution
The fourth proportional to 1,684,138.40, 2,526,207.60 and 486,099.80 is: 729,149.70
Step by Step Solution
- Step 1: Write the proportion equation
1,684,138.40 : 2,526,207.60 = 486,099.80 : x - Step 2: Convert to fraction form
1,684,138.40/2,526,207.60 = 486,099.80/x - Step 3: Cross multiply
1,684,138.40x = 2,526,207.60 × 486,099.80 - Step 4: Simplify right side
1,684,138.40x = 1,227,989,009,118.48 - Step 5: Solve for x
x = 1,227,989,009,118.48/1,684,138.40 - Step 6: Final answer
x = 729,149.70
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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.