Finding the Fourth Proportional to 4,755,756, 7,132,135.50 and 1,560,137.52
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Solution
The fourth proportional to 4,755,756, 7,132,135.50 and 1,560,137.52 is: 2,339,714.69
Step by Step Solution
- Step 1: Write the proportion equation
4,755,756 : 7,132,135.50 = 1,560,137.52 : x - Step 2: Convert to fraction form
4,755,756/7,132,135.50 = 1,560,137.52/x - Step 3: Cross multiply
4,755,756x = 7,132,135.50 × 1,560,137.52 - Step 4: Simplify right side
4,755,756x = 11,127,112,191,273.96 - Step 5: Solve for x
x = 11,127,112,191,273.96/4,755,756 - Step 6: Final answer
x = 2,339,714.69
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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.