Finding the Fourth Proportional to 5,381,695.14, 7,422,534.81 and 3,448,144.14
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Solution
The fourth proportional to 5,381,695.14, 7,422,534.81 and 3,448,144.14 is: 4,755,745.03
Step by Step Solution
- Step 1: Write the proportion equation
5,381,695.14 : 7,422,534.81 = 3,448,144.14 : x - Step 2: Convert to fraction form
5,381,695.14/7,422,534.81 = 3,448,144.14/x - Step 3: Cross multiply
5,381,695.14x = 7,422,534.81 × 3,448,144.14 - Step 4: Simplify right side
5,381,695.14x = 25,593,969,909,047.51 - Step 5: Solve for x
x = 25,593,969,909,047.51/5,381,695.14 - Step 6: Final answer
x = 4,755,745.03
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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.