Finding the Fourth Proportional to 3,512,400.76, 5,268,198.72 and 918,955.92
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Solution
The fourth proportional to 3,512,400.76, 5,268,198.72 and 918,955.92 is: 1,378,328.59
Step by Step Solution
- Step 1: Write the proportion equation
3,512,400.76 : 5,268,198.72 = 918,955.92 : x - Step 2: Convert to fraction form
3,512,400.76/5,268,198.72 = 918,955.92/x - Step 3: Cross multiply
3,512,400.76x = 5,268,198.72 × 918,955.92 - Step 4: Simplify right side
3,512,400.76x = 4,841,242,401,480.42 - Step 5: Solve for x
x = 4,841,242,401,480.42/3,512,400.76 - Step 6: Final answer
x = 1,378,328.59
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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.