Finding the Fourth Proportional to 1,352,591.62, 2,029,198.47 and 405,980.26
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Solution
The fourth proportional to 1,352,591.62, 2,029,198.47 and 405,980.26 is: 609,063.75
Step by Step Solution
- Step 1: Write the proportion equation
1,352,591.62 : 2,029,198.47 = 405,980.26 : x - Step 2: Convert to fraction form
1,352,591.62/2,029,198.47 = 405,980.26/x - Step 3: Cross multiply
1,352,591.62x = 2,029,198.47 × 405,980.26 - Step 4: Simplify right side
1,352,591.62x = 823,814,522,442.20 - Step 5: Solve for x
x = 823,814,522,442.20/1,352,591.62 - Step 6: Final answer
x = 609,063.75
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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.