Finding the Fourth Proportional to 3,478,268.53, 5,217,760.68 and 1,203,788.94
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Solution
The fourth proportional to 3,478,268.53, 5,217,760.68 and 1,203,788.94 is: 1,805,807.27
Step by Step Solution
- Step 1: Write the proportion equation
3,478,268.53 : 5,217,760.68 = 1,203,788.94 : x - Step 2: Convert to fraction form
3,478,268.53/5,217,760.68 = 1,203,788.94/x - Step 3: Cross multiply
3,478,268.53x = 5,217,760.68 × 1,203,788.94 - Step 4: Simplify right side
3,478,268.53x = 6,281,082,598,150.88 - Step 5: Solve for x
x = 6,281,082,598,150.88/3,478,268.53 - Step 6: Final answer
x = 1,805,807.27
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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.