Finding the Fourth Proportional to 1,720,379.57, 2,374,274.97 and 946,146.74
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Solution
The fourth proportional to 1,720,379.57, 2,374,274.97 and 946,146.74 is: 1,305,765.63
Step by Step Solution
- Step 1: Write the proportion equation
1,720,379.57 : 2,374,274.97 = 946,146.74 : x - Step 2: Convert to fraction form
1,720,379.57/2,374,274.97 = 946,146.74/x - Step 3: Cross multiply
1,720,379.57x = 2,374,274.97 × 946,146.74 - Step 4: Simplify right side
1,720,379.57x = 2,246,412,510,857.72 - Step 5: Solve for x
x = 2,246,412,510,857.72/1,720,379.57 - Step 6: Final answer
x = 1,305,765.63
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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.