Finding the Fourth Proportional to 1,865,115.51, 2,797,673.12 and 517,278.11
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Solution
The fourth proportional to 1,865,115.51, 2,797,673.12 and 517,278.11 is: 775,917.12
Step by Step Solution
- Step 1: Write the proportion equation
1,865,115.51 : 2,797,673.12 = 517,278.11 : x - Step 2: Convert to fraction form
1,865,115.51/2,797,673.12 = 517,278.11/x - Step 3: Cross multiply
1,865,115.51x = 2,797,673.12 × 517,278.11 - Step 4: Simplify right side
1,865,115.51x = 1,447,175,047,336.65 - Step 5: Solve for x
x = 1,447,175,047,336.65/1,865,115.51 - Step 6: Final answer
x = 775,917.12
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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.