Finding the Fourth Proportional to 2,105,961.13, 3,159,335.46 and 843,887.17
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Solution
The fourth proportional to 2,105,961.13, 3,159,335.46 and 843,887.17 is: 1,265,988.54
Step by Step Solution
- Step 1: Write the proportion equation
2,105,961.13 : 3,159,335.46 = 843,887.17 : x - Step 2: Convert to fraction form
2,105,961.13/3,159,335.46 = 843,887.17/x - Step 3: Cross multiply
2,105,961.13x = 3,159,335.46 × 843,887.17 - Step 4: Simplify right side
2,105,961.13x = 2,666,122,660,420.05 - Step 5: Solve for x
x = 2,666,122,660,420.05/2,105,961.13 - Step 6: Final answer
x = 1,265,988.54
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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.