Finding the Fourth Proportional to 4,755,757.50, 7,132,137.75 and 1,560,139.02
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Solution
The fourth proportional to 4,755,757.50, 7,132,137.75 and 1,560,139.02 is: 2,339,716.94
Step by Step Solution
- Step 1: Write the proportion equation
4,755,757.50 : 7,132,137.75 = 1,560,139.02 : x - Step 2: Convert to fraction form
4,755,757.50/7,132,137.75 = 1,560,139.02/x - Step 3: Cross multiply
4,755,757.50x = 7,132,137.75 × 1,560,139.02 - Step 4: Simplify right side
4,755,757.50x = 11,127,126,399,790.01 - Step 5: Solve for x
x = 11,127,126,399,790.01/4,755,757.50 - Step 6: Final answer
x = 2,339,716.94
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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.