Finding the Fourth Proportional to 3,500,539.12, 5,250,808.68 and 841,147.12
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Solution
The fourth proportional to 3,500,539.12, 5,250,808.68 and 841,147.12 is: 1,261,720.68
Step by Step Solution
- Step 1: Write the proportion equation
3,500,539.12 : 5,250,808.68 = 841,147.12 : x - Step 2: Convert to fraction form
3,500,539.12/5,250,808.68 = 841,147.12/x - Step 3: Cross multiply
3,500,539.12x = 5,250,808.68 × 841,147.12 - Step 4: Simplify right side
3,500,539.12x = 4,416,702,598,853.00 - Step 5: Solve for x
x = 4,416,702,598,853.00/3,500,539.12 - Step 6: Final answer
x = 1,261,720.68
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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.