Finding the Fourth Proportional to 3,203,236.20, 4,805,560.12 and 928,855.55
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Solution
The fourth proportional to 3,203,236.20, 4,805,560.12 and 928,855.55 is: 1,393,487.99
Step by Step Solution
- Step 1: Write the proportion equation
3,203,236.20 : 4,805,560.12 = 928,855.55 : x - Step 2: Convert to fraction form
3,203,236.20/4,805,560.12 = 928,855.55/x - Step 3: Cross multiply
3,203,236.20x = 4,805,560.12 × 928,855.55 - Step 4: Simplify right side
3,203,236.20x = 4,463,671,188,320.67 - Step 5: Solve for x
x = 4,463,671,188,320.67/3,203,236.20 - Step 6: Final answer
x = 1,393,487.99
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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.