Finding the Fourth Proportional to 6,477,922.28, 8,939,431.14 and 3,577,241
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Solution
The fourth proportional to 6,477,922.28, 8,939,431.14 and 3,577,241 is: 4,936,536.47
Step by Step Solution
- Step 1: Write the proportion equation
6,477,922.28 : 8,939,431.14 = 3,577,241 : x - Step 2: Convert to fraction form
6,477,922.28/8,939,431.14 = 3,577,241/x - Step 3: Cross multiply
6,477,922.28x = 8,939,431.14 × 3,577,241 - Step 4: Simplify right side
6,477,922.28x = 31,978,499,590,684.74 - Step 5: Solve for x
x = 31,978,499,590,684.74/6,477,922.28 - Step 6: Final answer
x = 4,936,536.47
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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.