Finding the Fourth Proportional to 7,105,122.65, 10,658,516.85 and 2,492,698.74
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Solution
The fourth proportional to 7,105,122.65, 10,658,516.85 and 2,492,698.74 is: 3,739,340.31
Step by Step Solution
- Step 1: Write the proportion equation
7,105,122.65 : 10,658,516.85 = 2,492,698.74 : x - Step 2: Convert to fraction form
7,105,122.65/10,658,516.85 = 2,492,698.74/x - Step 3: Cross multiply
7,105,122.65x = 10,658,516.85 × 2,492,698.74 - Step 4: Simplify right side
7,105,122.65x = 26,568,471,522,263.77 - Step 5: Solve for x
x = 26,568,471,522,263.77/7,105,122.65 - Step 6: Final answer
x = 3,739,340.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.