Finding the Fourth Proportional to 1,435,998.41, 1,981,596.99 and 791,416.57
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Solution
The fourth proportional to 1,435,998.41, 1,981,596.99 and 791,416.57 is: 1,092,110.32
Step by Step Solution
- Step 1: Write the proportion equation
1,435,998.41 : 1,981,596.99 = 791,416.57 : x - Step 2: Convert to fraction form
1,435,998.41/1,981,596.99 = 791,416.57/x - Step 3: Cross multiply
1,435,998.41x = 1,981,596.99 × 791,416.57 - Step 4: Simplify right side
1,435,998.41x = 1,568,268,688,991.04 - Step 5: Solve for x
x = 1,568,268,688,991.04/1,435,998.41 - Step 6: Final answer
x = 1,092,110.32
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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.