Finding the Fourth Proportional to 4,956,178.76, 7,434,977.54 and 2,189,528.09
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Solution
The fourth proportional to 4,956,178.76, 7,434,977.54 and 2,189,528.09 is: 3,284,605.53
Step by Step Solution
- Step 1: Write the proportion equation
4,956,178.76 : 7,434,977.54 = 2,189,528.09 : x - Step 2: Convert to fraction form
4,956,178.76/7,434,977.54 = 2,189,528.09/x - Step 3: Cross multiply
4,956,178.76x = 7,434,977.54 × 2,189,528.09 - Step 4: Simplify right side
4,956,178.76x = 16,279,092,124,226.57 - Step 5: Solve for x
x = 16,279,092,124,226.57/4,956,178.76 - Step 6: Final answer
x = 3,284,605.53
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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.