Finding the Fourth Proportional to 4,524,072.78, 6,243,062.12 and 2,486,867.70
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Solution
The fourth proportional to 4,524,072.78, 6,243,062.12 and 2,486,867.70 is: 3,431,790.40
Step by Step Solution
- Step 1: Write the proportion equation
4,524,072.78 : 6,243,062.12 = 2,486,867.70 : x - Step 2: Convert to fraction form
4,524,072.78/6,243,062.12 = 2,486,867.70/x - Step 3: Cross multiply
4,524,072.78x = 6,243,062.12 × 2,486,867.70 - Step 4: Simplify right side
4,524,072.78x = 15,525,669,535,321.53 - Step 5: Solve for x
x = 15,525,669,535,321.53/4,524,072.78 - Step 6: Final answer
x = 3,431,790.40
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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.