Finding the Fourth Proportional to 2,809,688.68, 3,874,138.20 and 2,075,704.92
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Solution
The fourth proportional to 2,809,688.68, 3,874,138.20 and 2,075,704.92 is: 2,862,084.96
Step by Step Solution
- Step 1: Write the proportion equation
2,809,688.68 : 3,874,138.20 = 2,075,704.92 : x - Step 2: Convert to fraction form
2,809,688.68/3,874,138.20 = 2,075,704.92/x - Step 3: Cross multiply
2,809,688.68x = 3,874,138.20 × 2,075,704.92 - Step 4: Simplify right side
2,809,688.68x = 8,041,567,722,499.94 - Step 5: Solve for x
x = 8,041,567,722,499.94/2,809,688.68 - Step 6: Final answer
x = 2,862,084.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.