Finding the Fourth Proportional to 2,160,633.54, 2,981,793.90 and 1,193,743.08
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Solution
The fourth proportional to 2,160,633.54, 2,981,793.90 and 1,193,743.08 is: 1,647,431.54
Step by Step Solution
- Step 1: Write the proportion equation
2,160,633.54 : 2,981,793.90 = 1,193,743.08 : x - Step 2: Convert to fraction form
2,160,633.54/2,981,793.90 = 1,193,743.08/x - Step 3: Cross multiply
2,160,633.54x = 2,981,793.90 × 1,193,743.08 - Step 4: Simplify right side
2,160,633.54x = 3,559,495,834,111.21 - Step 5: Solve for x
x = 3,559,495,834,111.21/2,160,633.54 - Step 6: Final answer
x = 1,647,431.54
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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.