Finding the Fourth Proportional to 2,057,963.70, 3,086,945.55 and 2,018,597.70
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Solution
The fourth proportional to 2,057,963.70, 3,086,945.55 and 2,018,597.70 is: 3,027,896.55
Step by Step Solution
- Step 1: Write the proportion equation
2,057,963.70 : 3,086,945.55 = 2,018,597.70 : x - Step 2: Convert to fraction form
2,057,963.70/3,086,945.55 = 2,018,597.70/x - Step 3: Cross multiply
2,057,963.70x = 3,086,945.55 × 2,018,597.70 - Step 4: Simplify right side
2,057,963.70x = 6,231,301,187,255.24 - Step 5: Solve for x
x = 6,231,301,187,255.24/2,057,963.70 - Step 6: Final answer
x = 3,027,896.55
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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.