Finding the Fourth Proportional to 2,378,800.13, 3,281,503.66 and 1,461,235.97
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Solution
The fourth proportional to 2,378,800.13, 3,281,503.66 and 1,461,235.97 is: 2,015,743.63
Step by Step Solution
- Step 1: Write the proportion equation
2,378,800.13 : 3,281,503.66 = 1,461,235.97 : x - Step 2: Convert to fraction form
2,378,800.13/3,281,503.66 = 1,461,235.97/x - Step 3: Cross multiply
2,378,800.13x = 3,281,503.66 × 1,461,235.97 - Step 4: Simplify right side
2,378,800.13x = 4,795,051,188,229.32 - Step 5: Solve for x
x = 4,795,051,188,229.32/2,378,800.13 - Step 6: Final answer
x = 2,015,743.63
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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.