Finding the Fourth Proportional to 3,219,883.75, 4,829,776.38 and 823,708.12
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Solution
The fourth proportional to 3,219,883.75, 4,829,776.38 and 823,708.12 is: 1,235,549.58
Step by Step Solution
- Step 1: Write the proportion equation
3,219,883.75 : 4,829,776.38 = 823,708.12 : x - Step 2: Convert to fraction form
3,219,883.75/4,829,776.38 = 823,708.12/x - Step 3: Cross multiply
3,219,883.75x = 4,829,776.38 × 823,708.12 - Step 4: Simplify right side
3,219,883.75x = 3,978,326,021,990.21 - Step 5: Solve for x
x = 3,978,326,021,990.21/3,219,883.75 - Step 6: Final answer
x = 1,235,549.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.