Finding the Fourth Proportional to 2,080,444.36, 3,121,008.08 and 641,128.02
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Solution
The fourth proportional to 2,080,444.36, 3,121,008.08 and 641,128.02 is: 961,797.28
Step by Step Solution
- Step 1: Write the proportion equation
2,080,444.36 : 3,121,008.08 = 641,128.02 : x - Step 2: Convert to fraction form
2,080,444.36/3,121,008.08 = 641,128.02/x - Step 3: Cross multiply
2,080,444.36x = 3,121,008.08 × 641,128.02 - Step 4: Simplify right side
2,080,444.36x = 2,000,965,730,734.40 - Step 5: Solve for x
x = 2,000,965,730,734.40/2,080,444.36 - Step 6: Final answer
x = 961,797.28
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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.