Finding the Fourth Proportional to 1,491,539.37, 2,058,257.88 and 871,402.08
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Solution
The fourth proportional to 1,491,539.37, 2,058,257.88 and 871,402.08 is: 1,202,496.05
Step by Step Solution
- Step 1: Write the proportion equation
1,491,539.37 : 2,058,257.88 = 871,402.08 : x - Step 2: Convert to fraction form
1,491,539.37/2,058,257.88 = 871,402.08/x - Step 3: Cross multiply
1,491,539.37x = 2,058,257.88 × 871,402.08 - Step 4: Simplify right side
1,491,539.37x = 1,793,570,197,808.39 - Step 5: Solve for x
x = 1,793,570,197,808.39/1,491,539.37 - Step 6: Final answer
x = 1,202,496.05
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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.