Finding the Fourth Proportional to 1,682,811.96, 2,322,271.26 and 918,860.10
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Solution
The fourth proportional to 1,682,811.96, 2,322,271.26 and 918,860.10 is: 1,268,021.89
Step by Step Solution
- Step 1: Write the proportion equation
1,682,811.96 : 2,322,271.26 = 918,860.10 : x - Step 2: Convert to fraction form
1,682,811.96/2,322,271.26 = 918,860.10/x - Step 3: Cross multiply
1,682,811.96x = 2,322,271.26 × 918,860.10 - Step 4: Simplify right side
1,682,811.96x = 2,133,842,402,190.73 - Step 5: Solve for x
x = 2,133,842,402,190.73/1,682,811.96 - Step 6: Final answer
x = 1,268,021.89
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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.