Finding the Fourth Proportional to 1,786,568.88, 2,678,346.06 and 774,929.21
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Solution
The fourth proportional to 1,786,568.88, 2,678,346.06 and 774,929.21 is: 1,161,740.03
Step by Step Solution
- Step 1: Write the proportion equation
1,786,568.88 : 2,678,346.06 = 774,929.21 : x - Step 2: Convert to fraction form
1,786,568.88/2,678,346.06 = 774,929.21/x - Step 3: Cross multiply
1,786,568.88x = 2,678,346.06 × 774,929.21 - Step 4: Simplify right side
1,786,568.88x = 2,075,528,582,990.68 - Step 5: Solve for x
x = 2,075,528,582,990.68/1,786,568.88 - Step 6: Final answer
x = 1,161,740.03
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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.