Finding the Fourth Proportional to 2,016,273.20, 2,782,455.48 and 1,110,855.20
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Solution
The fourth proportional to 2,016,273.20, 2,782,455.48 and 1,110,855.20 is: 1,532,979.33
Step by Step Solution
- Step 1: Write the proportion equation
2,016,273.20 : 2,782,455.48 = 1,110,855.20 : x - Step 2: Convert to fraction form
2,016,273.20/2,782,455.48 = 1,110,855.20/x - Step 3: Cross multiply
2,016,273.20x = 2,782,455.48 × 1,110,855.20 - Step 4: Simplify right side
2,016,273.20x = 3,090,905,124,814.22 - Step 5: Solve for x
x = 3,090,905,124,814.22/2,016,273.20 - Step 6: Final answer
x = 1,532,979.33
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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.