Finding the Fourth Proportional to 2,079,542.40, 3,119,313.60 and 1,796,107.20
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Solution
The fourth proportional to 2,079,542.40, 3,119,313.60 and 1,796,107.20 is: 2,694,160.80
Step by Step Solution
- Step 1: Write the proportion equation
2,079,542.40 : 3,119,313.60 = 1,796,107.20 : x - Step 2: Convert to fraction form
2,079,542.40/3,119,313.60 = 1,796,107.20/x - Step 3: Cross multiply
2,079,542.40x = 3,119,313.60 × 1,796,107.20 - Step 4: Simplify right side
2,079,542.40x = 5,602,621,616,017.92 - Step 5: Solve for x
x = 5,602,621,616,017.92/2,079,542.40 - Step 6: Final answer
x = 2,694,160.80
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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.