Finding the Fourth Proportional to 5,143,234.84, 7,713,277.36 and 3,555,997.72
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Solution
The fourth proportional to 5,143,234.84, 7,713,277.36 and 3,555,997.72 is: 5,332,907.70
Step by Step Solution
- Step 1: Write the proportion equation
5,143,234.84 : 7,713,277.36 = 3,555,997.72 : x - Step 2: Convert to fraction form
5,143,234.84/7,713,277.36 = 3,555,997.72/x - Step 3: Cross multiply
5,143,234.84x = 7,713,277.36 × 3,555,997.72 - Step 4: Simplify right side
5,143,234.84x = 27,428,396,705,887.62 - Step 5: Solve for x
x = 27,428,396,705,887.62/5,143,234.84 - Step 6: Final answer
x = 5,332,907.70
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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.