Finding the Fourth Proportional to 1,435,778.29, 1,981,470.09 and 791,198.62
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Solution
The fourth proportional to 1,435,778.29, 1,981,470.09 and 791,198.62 is: 1,091,907.02
Step by Step Solution
- Step 1: Write the proportion equation
1,435,778.29 : 1,981,470.09 = 791,198.62 : x - Step 2: Convert to fraction form
1,435,778.29/1,981,470.09 = 791,198.62/x - Step 3: Cross multiply
1,435,778.29x = 1,981,470.09 × 791,198.62 - Step 4: Simplify right side
1,435,778.29x = 1,567,736,398,792.60 - Step 5: Solve for x
x = 1,567,736,398,792.60/1,435,778.29 - Step 6: Final answer
x = 1,091,907.02
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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.