Finding the Fourth Proportional to 1,972,391.11, 2,958,754.97 and 692,886.76
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Solution
The fourth proportional to 1,972,391.11, 2,958,754.97 and 692,886.76 is: 1,039,389.26
Step by Step Solution
- Step 1: Write the proportion equation
1,972,391.11 : 2,958,754.97 = 692,886.76 : x - Step 2: Convert to fraction form
1,972,391.11/2,958,754.97 = 692,886.76/x - Step 3: Cross multiply
1,972,391.11x = 2,958,754.97 × 692,886.76 - Step 4: Simplify right side
1,972,391.11x = 2,050,082,144,797.20 - Step 5: Solve for x
x = 2,050,082,144,797.20/1,972,391.11 - Step 6: Final answer
x = 1,039,389.26
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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.