Finding the Fourth Proportional to 1,873,957.92, 2,806,405.20 and 1,072,809.60
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Solution
The fourth proportional to 1,873,957.92, 2,806,405.20 and 1,072,809.60 is: 1,606,620.09
Step by Step Solution
- Step 1: Write the proportion equation
1,873,957.92 : 2,806,405.20 = 1,072,809.60 : x - Step 2: Convert to fraction form
1,873,957.92/2,806,405.20 = 1,072,809.60/x - Step 3: Cross multiply
1,873,957.92x = 2,806,405.20 × 1,072,809.60 - Step 4: Simplify right side
1,873,957.92x = 3,010,738,440,049.92 - Step 5: Solve for x
x = 3,010,738,440,049.92/1,873,957.92 - Step 6: Final answer
x = 1,606,620.09
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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.