Finding the Fourth Proportional to 2,080,695.40, 3,121,043.10 and 1,282,877.80
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Solution
The fourth proportional to 2,080,695.40, 3,121,043.10 and 1,282,877.80 is: 1,924,316.70
Step by Step Solution
- Step 1: Write the proportion equation
2,080,695.40 : 3,121,043.10 = 1,282,877.80 : x - Step 2: Convert to fraction form
2,080,695.40/3,121,043.10 = 1,282,877.80/x - Step 3: Cross multiply
2,080,695.40x = 3,121,043.10 × 1,282,877.80 - Step 4: Simplify right side
2,080,695.40x = 4,003,916,905,833.18 - Step 5: Solve for x
x = 4,003,916,905,833.18/2,080,695.40 - Step 6: Final answer
x = 1,924,316.70
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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.