Finding the Fourth Proportional to 2,125,887.29, 3,190,153.38 and 863,714.91
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Solution
The fourth proportional to 2,125,887.29, 3,190,153.38 and 863,714.91 is: 1,296,109.66
Step by Step Solution
- Step 1: Write the proportion equation
2,125,887.29 : 3,190,153.38 = 863,714.91 : x - Step 2: Convert to fraction form
2,125,887.29/3,190,153.38 = 863,714.91/x - Step 3: Cross multiply
2,125,887.29x = 3,190,153.38 × 863,714.91 - Step 4: Simplify right side
2,125,887.29x = 2,755,383,048,217.04 - Step 5: Solve for x
x = 2,755,383,048,217.04/2,125,887.29 - Step 6: Final answer
x = 1,296,109.66
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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.