Finding the Fourth Proportional to 6,163,431.36, 8,503,469.78 and 3,549,883.20
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Solution
The fourth proportional to 6,163,431.36, 8,503,469.78 and 3,549,883.20 is: 4,897,649.17
Step by Step Solution
- Step 1: Write the proportion equation
6,163,431.36 : 8,503,469.78 = 3,549,883.20 : x - Step 2: Convert to fraction form
6,163,431.36/8,503,469.78 = 3,549,883.20/x - Step 3: Cross multiply
6,163,431.36x = 8,503,469.78 × 3,549,883.20 - Step 4: Simplify right side
6,163,431.36x = 30,186,324,513,729.70 - Step 5: Solve for x
x = 30,186,324,513,729.70/6,163,431.36 - Step 6: Final answer
x = 4,897,649.17
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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.