Finding the Fourth Proportional to 2,108,983.11, 2,910,381.48 and 1,142,090.97
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Solution
The fourth proportional to 2,108,983.11, 2,910,381.48 and 1,142,090.97 is: 1,576,077.30
Step by Step Solution
- Step 1: Write the proportion equation
2,108,983.11 : 2,910,381.48 = 1,142,090.97 : x - Step 2: Convert to fraction form
2,108,983.11/2,910,381.48 = 1,142,090.97/x - Step 3: Cross multiply
2,108,983.11x = 2,910,381.48 × 1,142,090.97 - Step 4: Simplify right side
2,108,983.11x = 3,323,920,407,563.24 - Step 5: Solve for x
x = 3,323,920,407,563.24/2,108,983.11 - Step 6: Final answer
x = 1,576,077.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.