Finding the Fourth Proportional to 7,284,481.86, 10,052,321.49 and 4,021,226.53
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Solution
The fourth proportional to 7,284,481.86, 10,052,321.49 and 4,021,226.53 is: 5,549,147.17
Step by Step Solution
- Step 1: Write the proportion equation
7,284,481.86 : 10,052,321.49 = 4,021,226.53 : x - Step 2: Convert to fraction form
7,284,481.86/10,052,321.49 = 4,021,226.53/x - Step 3: Cross multiply
7,284,481.86x = 10,052,321.49 × 4,021,226.53 - Step 4: Simplify right side
7,284,481.86x = 40,422,661,863,677.12 - Step 5: Solve for x
x = 40,422,661,863,677.12/7,284,481.86 - Step 6: Final answer
x = 5,549,147.17
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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.