Finding the Fourth Proportional to 4,171,728.40, 6,246,533.40 and 3,286,992.40
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Solution
The fourth proportional to 4,171,728.40, 6,246,533.40 and 3,286,992.40 is: 4,921,774.82
Step by Step Solution
- Step 1: Write the proportion equation
4,171,728.40 : 6,246,533.40 = 3,286,992.40 : x - Step 2: Convert to fraction form
4,171,728.40/6,246,533.40 = 3,286,992.40/x - Step 3: Cross multiply
4,171,728.40x = 6,246,533.40 × 3,286,992.40 - Step 4: Simplify right side
4,171,728.40x = 20,532,307,812,146.16 - Step 5: Solve for x
x = 20,532,307,812,146.16/4,171,728.40 - Step 6: Final answer
x = 4,921,774.82
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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.