Finding the Fourth Proportional to 1,855,651.68, 2,560,956.35 and 1,039,846.01
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Solution
The fourth proportional to 1,855,651.68, 2,560,956.35 and 1,039,846.01 is: 1,435,075.48
Step by Step Solution
- Step 1: Write the proportion equation
1,855,651.68 : 2,560,956.35 = 1,039,846.01 : x - Step 2: Convert to fraction form
1,855,651.68/2,560,956.35 = 1,039,846.01/x - Step 3: Cross multiply
1,855,651.68x = 2,560,956.35 × 1,039,846.01 - Step 4: Simplify right side
1,855,651.68x = 2,663,000,224,327.65 - Step 5: Solve for x
x = 2,663,000,224,327.65/1,855,651.68 - Step 6: Final answer
x = 1,435,075.48
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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.