Finding the Fourth Proportional to 1,682,574.58, 2,321,940.79 and 918,628.14
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Solution
The fourth proportional to 1,682,574.58, 2,321,940.79 and 918,628.14 is: 1,267,700.21
Step by Step Solution
- Step 1: Write the proportion equation
1,682,574.58 : 2,321,940.79 = 918,628.14 : x - Step 2: Convert to fraction form
1,682,574.58/2,321,940.79 = 918,628.14/x - Step 3: Cross multiply
1,682,574.58x = 2,321,940.79 × 918,628.14 - Step 4: Simplify right side
1,682,574.58x = 2,133,000,140,735.19 - Step 5: Solve for x
x = 2,133,000,140,735.19/1,682,574.58 - Step 6: Final answer
x = 1,267,700.21
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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.