Finding the Fourth Proportional to 4,474,003.18, 6,172,160.40 and 3,023,170.06
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Solution
The fourth proportional to 4,474,003.18, 6,172,160.40 and 3,023,170.06 is: 4,170,647.58
Step by Step Solution
- Step 1: Write the proportion equation
4,474,003.18 : 6,172,160.40 = 3,023,170.06 : x - Step 2: Convert to fraction form
4,474,003.18/6,172,160.40 = 3,023,170.06/x - Step 3: Cross multiply
4,474,003.18x = 6,172,160.40 × 3,023,170.06 - Step 4: Simplify right side
4,474,003.18x = 18,659,490,526,797.62 - Step 5: Solve for x
x = 18,659,490,526,797.62/4,474,003.18 - Step 6: Final answer
x = 4,170,647.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.