Finding the Fourth Proportional to 1,793,976.80, 2,690,965.26 and 729,101.97
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Solution
The fourth proportional to 1,793,976.80, 2,690,965.26 and 729,101.97 is: 1,093,652.98
Step by Step Solution
- Step 1: Write the proportion equation
1,793,976.80 : 2,690,965.26 = 729,101.97 : x - Step 2: Convert to fraction form
1,793,976.80/2,690,965.26 = 729,101.97/x - Step 3: Cross multiply
1,793,976.80x = 2,690,965.26 × 729,101.97 - Step 4: Simplify right side
1,793,976.80x = 1,961,988,072,267.56 - Step 5: Solve for x
x = 1,961,988,072,267.56/1,793,976.80 - Step 6: Final answer
x = 1,093,652.98
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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.