Finding the Fourth Proportional to 1,274,496.22, 1,911,749.34 and 516,352.02
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Solution
The fourth proportional to 1,274,496.22, 1,911,749.34 and 516,352.02 is: 774,530.05
Step by Step Solution
- Step 1: Write the proportion equation
1,274,496.22 : 1,911,749.34 = 516,352.02 : x - Step 2: Convert to fraction form
1,274,496.22/1,911,749.34 = 516,352.02/x - Step 3: Cross multiply
1,274,496.22x = 1,911,749.34 × 516,352.02 - Step 4: Simplify right side
1,274,496.22x = 987,135,628,209.93 - Step 5: Solve for x
x = 987,135,628,209.93/1,274,496.22 - Step 6: Final answer
x = 774,530.05
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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.