Finding the Fourth Proportional to 1,511,998.30, 2,086,556.74 and 832,934.80
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Solution
The fourth proportional to 1,511,998.30, 2,086,556.74 and 832,934.80 is: 1,149,449.52
Step by Step Solution
- Step 1: Write the proportion equation
1,511,998.30 : 2,086,556.74 = 832,934.80 : x - Step 2: Convert to fraction form
1,511,998.30/2,086,556.74 = 832,934.80/x - Step 3: Cross multiply
1,511,998.30x = 2,086,556.74 × 832,934.80 - Step 4: Simplify right side
1,511,998.30x = 1,737,965,723,206.37 - Step 5: Solve for x
x = 1,737,965,723,206.37/1,511,998.30 - Step 6: Final answer
x = 1,149,449.52
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1.5x scale
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.