Finding the Fourth Proportional to 1,719,391.80, 2,372,782.19 and 945,107.18
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Solution
The fourth proportional to 1,719,391.80, 2,372,782.19 and 945,107.18 is: 1,304,259.72
Step by Step Solution
- Step 1: Write the proportion equation
1,719,391.80 : 2,372,782.19 = 945,107.18 : x - Step 2: Convert to fraction form
1,719,391.80/2,372,782.19 = 945,107.18/x - Step 3: Cross multiply
1,719,391.80x = 2,372,782.19 × 945,107.18 - Step 4: Simplify right side
1,719,391.80x = 2,242,533,467,755.68 - Step 5: Solve for x
x = 2,242,533,467,755.68/1,719,391.80 - Step 6: Final answer
x = 1,304,259.72
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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.