Finding the Fourth Proportional to 4,146,763.31, 5,722,559.99 and 2,311,338.14
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Solution
The fourth proportional to 4,146,763.31, 5,722,559.99 and 2,311,338.14 is: 3,189,661.47
Step by Step Solution
- Step 1: Write the proportion equation
4,146,763.31 : 5,722,559.99 = 2,311,338.14 : x - Step 2: Convert to fraction form
4,146,763.31/5,722,559.99 = 2,311,338.14/x - Step 3: Cross multiply
4,146,763.31x = 5,722,559.99 × 2,311,338.14 - Step 4: Simplify right side
4,146,763.31x = 13,226,771,163,325.02 - Step 5: Solve for x
x = 13,226,771,163,325.02/4,146,763.31 - Step 6: Final answer
x = 3,189,661.47
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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.