Finding the Fourth Proportional to 1,981,613.85, 2,970,342.86 and 969,338.49
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Solution
The fourth proportional to 1,981,613.85, 2,970,342.86 and 969,338.49 is: 1,452,991.29
Step by Step Solution
- Step 1: Write the proportion equation
1,981,613.85 : 2,970,342.86 = 969,338.49 : x - Step 2: Convert to fraction form
1,981,613.85/2,970,342.86 = 969,338.49/x - Step 3: Cross multiply
1,981,613.85x = 2,970,342.86 × 969,338.49 - Step 4: Simplify right side
1,981,613.85x = 2,879,267,657,847.99 - Step 5: Solve for x
x = 2,879,267,657,847.99/1,981,613.85 - Step 6: Final answer
x = 1,452,991.29
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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.