Finding the Fourth Proportional to 3,770,887.52, 5,203,934.28 and 2,052,118.88
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Solution
The fourth proportional to 3,770,887.52, 5,203,934.28 and 2,052,118.88 is: 2,831,983.65
Step by Step Solution
- Step 1: Write the proportion equation
3,770,887.52 : 5,203,934.28 = 2,052,118.88 : x - Step 2: Convert to fraction form
3,770,887.52/5,203,934.28 = 2,052,118.88/x - Step 3: Cross multiply
3,770,887.52x = 5,203,934.28 × 2,052,118.88 - Step 4: Simplify right side
3,770,887.52x = 10,679,091,786,267.21 - Step 5: Solve for x
x = 10,679,091,786,267.21/3,770,887.52 - Step 6: Final answer
x = 2,831,983.65
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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.