Finding the Fourth Proportional to 3,577,240.16, 4,934,932.80 and 2,126,121.92
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Solution
The fourth proportional to 3,577,240.16, 4,934,932.80 and 2,126,121.92 is: 2,933,062.45
Step by Step Solution
- Step 1: Write the proportion equation
3,577,240.16 : 4,934,932.80 = 2,126,121.92 : x - Step 2: Convert to fraction form
3,577,240.16/4,934,932.80 = 2,126,121.92/x - Step 3: Cross multiply
3,577,240.16x = 4,934,932.80 × 2,126,121.92 - Step 4: Simplify right side
3,577,240.16x = 10,492,268,799,806.97 - Step 5: Solve for x
x = 10,492,268,799,806.97/3,577,240.16 - Step 6: Final answer
x = 2,933,062.45
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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.