Finding the Fourth Proportional to 2,129,207.10, 3,193,810.65 and 2,024,231.10
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Solution
The fourth proportional to 2,129,207.10, 3,193,810.65 and 2,024,231.10 is: 3,036,346.65
Step by Step Solution
- Step 1: Write the proportion equation
2,129,207.10 : 3,193,810.65 = 2,024,231.10 : x - Step 2: Convert to fraction form
2,129,207.10/3,193,810.65 = 2,024,231.10/x - Step 3: Cross multiply
2,129,207.10x = 3,193,810.65 × 2,024,231.10 - Step 4: Simplify right side
2,129,207.10x = 6,465,010,845,241.22 - Step 5: Solve for x
x = 6,465,010,845,241.22/2,129,207.10 - Step 6: Final answer
x = 3,036,346.65
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Double scale
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Similar ratio
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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.