Finding the Fourth Proportional to 2,255,546.80, 3,383,699.44 and 1,118,365.12
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Solution
The fourth proportional to 2,255,546.80, 3,383,699.44 and 1,118,365.12 is: 1,677,735.72
Step by Step Solution
- Step 1: Write the proportion equation
2,255,546.80 : 3,383,699.44 = 1,118,365.12 : x - Step 2: Convert to fraction form
2,255,546.80/3,383,699.44 = 1,118,365.12/x - Step 3: Cross multiply
2,255,546.80x = 3,383,699.44 × 1,118,365.12 - Step 4: Simplify right side
2,255,546.80x = 3,784,211,430,259.53 - Step 5: Solve for x
x = 3,784,211,430,259.53/2,255,546.80 - Step 6: Final answer
x = 1,677,735.72
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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.