Finding the Fourth Proportional to 3,979,033.54, 5,968,542.85 and 1,246,790.12
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Solution
The fourth proportional to 3,979,033.54, 5,968,542.85 and 1,246,790.12 is: 1,870,182.84
Step by Step Solution
- Step 1: Write the proportion equation
3,979,033.54 : 5,968,542.85 = 1,246,790.12 : x - Step 2: Convert to fraction form
3,979,033.54/5,968,542.85 = 1,246,790.12/x - Step 3: Cross multiply
3,979,033.54x = 5,968,542.85 × 1,246,790.12 - Step 4: Simplify right side
3,979,033.54x = 7,441,520,256,790.01 - Step 5: Solve for x
x = 7,441,520,256,790.01/3,979,033.54 - Step 6: Final answer
x = 1,870,182.84
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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.