Finding the Fourth Proportional to 1,490,195.63, 2,235,626.62 and 543,566.31
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Solution
The fourth proportional to 1,490,195.63, 2,235,626.62 and 543,566.31 is: 815,471.00
Step by Step Solution
- Step 1: Write the proportion equation
1,490,195.63 : 2,235,626.62 = 543,566.31 : x - Step 2: Convert to fraction form
1,490,195.63/2,235,626.62 = 543,566.31/x - Step 3: Cross multiply
1,490,195.63x = 2,235,626.62 × 543,566.31 - Step 4: Simplify right side
1,490,195.63x = 1,215,211,311,012.26 - Step 5: Solve for x
x = 1,215,211,311,012.26/1,490,195.63 - Step 6: Final answer
x = 815,471.00
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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.