Finding the Fourth Proportional to 1,674,215.75, 2,310,496.70 and 949,077.56
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Solution
The fourth proportional to 1,674,215.75, 2,310,496.70 and 949,077.56 is: 1,309,771.80
Step by Step Solution
- Step 1: Write the proportion equation
1,674,215.75 : 2,310,496.70 = 949,077.56 : x - Step 2: Convert to fraction form
1,674,215.75/2,310,496.70 = 949,077.56/x - Step 3: Cross multiply
1,674,215.75x = 2,310,496.70 × 949,077.56 - Step 4: Simplify right side
1,674,215.75x = 2,192,840,570,424.05 - Step 5: Solve for x
x = 2,192,840,570,424.05/1,674,215.75 - Step 6: Final answer
x = 1,309,771.80
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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.