Finding the Fourth Proportional to 1,684,153.70, 2,526,230.55 and 486,115.10
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Solution
The fourth proportional to 1,684,153.70, 2,526,230.55 and 486,115.10 is: 729,172.65
Step by Step Solution
- Step 1: Write the proportion equation
1,684,153.70 : 2,526,230.55 = 486,115.10 : x - Step 2: Convert to fraction form
1,684,153.70/2,526,230.55 = 486,115.10/x - Step 3: Cross multiply
1,684,153.70x = 2,526,230.55 × 486,115.10 - Step 4: Simplify right side
1,684,153.70x = 1,228,038,816,436.31 - Step 5: Solve for x
x = 1,228,038,816,436.31/1,684,153.70 - Step 6: Final answer
x = 729,172.65
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1.5x scale
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.