Finding the Fourth Proportional to 1,405,896.09, 2,108,843.46 and 340,937.97
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Solution
The fourth proportional to 1,405,896.09, 2,108,843.46 and 340,937.97 is: 511,406.79
Step by Step Solution
- Step 1: Write the proportion equation
1,405,896.09 : 2,108,843.46 = 340,937.97 : x - Step 2: Convert to fraction form
1,405,896.09/2,108,843.46 = 340,937.97/x - Step 3: Cross multiply
1,405,896.09x = 2,108,843.46 × 340,937.97 - Step 4: Simplify right side
1,405,896.09x = 718,984,808,300.18 - Step 5: Solve for x
x = 718,984,808,300.18/1,405,896.09 - Step 6: Final answer
x = 511,406.79
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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.