Finding the Fourth Proportional to 1,670,798.08, 2,305,464.92 and 992,005.12
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Solution
The fourth proportional to 1,670,798.08, 2,305,464.92 and 992,005.12 is: 1,368,826.69
Step by Step Solution
- Step 1: Write the proportion equation
1,670,798.08 : 2,305,464.92 = 992,005.12 : x - Step 2: Convert to fraction form
1,670,798.08/2,305,464.92 = 992,005.12/x - Step 3: Cross multiply
1,670,798.08x = 2,305,464.92 × 992,005.12 - Step 4: Simplify right side
1,670,798.08x = 2,287,033,004,620.39 - Step 5: Solve for x
x = 2,287,033,004,620.39/1,670,798.08 - Step 6: Final answer
x = 1,368,826.69
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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.