Finding the Fourth Proportional to 4,231,958.74, 6,345,936.97 and 1,639,478.00
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Solution
The fourth proportional to 4,231,958.74, 6,345,936.97 and 1,639,478.00 is: 2,458,441.75
Step by Step Solution
- Step 1: Write the proportion equation
4,231,958.74 : 6,345,936.97 = 1,639,478.00 : x - Step 2: Convert to fraction form
4,231,958.74/6,345,936.97 = 1,639,478.00/x - Step 3: Cross multiply
4,231,958.74x = 6,345,936.97 × 1,639,478.00 - Step 4: Simplify right side
4,231,958.74x = 10,404,024,063,467.81 - Step 5: Solve for x
x = 10,404,024,063,467.81/4,231,958.74 - Step 6: Final answer
x = 2,458,441.75
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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.