Finding the Fourth Proportional to 2,026,677.20, 2,796,793.80 and 1,121,265.68
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Solution
The fourth proportional to 2,026,677.20, 2,796,793.80 and 1,121,265.68 is: 1,547,335.17
Step by Step Solution
- Step 1: Write the proportion equation
2,026,677.20 : 2,796,793.80 = 1,121,265.68 : x - Step 2: Convert to fraction form
2,026,677.20/2,796,793.80 = 1,121,265.68/x - Step 3: Cross multiply
2,026,677.20x = 2,796,793.80 × 1,121,265.68 - Step 4: Simplify right side
2,026,677.20x = 3,135,948,901,976.78 - Step 5: Solve for x
x = 3,135,948,901,976.78/2,026,677.20 - Step 6: Final answer
x = 1,547,335.17
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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.