Finding the Fourth Proportional to 2,133,383.72, 2,944,810.86 and 1,228,326.44
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Solution
The fourth proportional to 2,133,383.72, 2,944,810.86 and 1,228,326.44 is: 1,695,517.32
Step by Step Solution
- Step 1: Write the proportion equation
2,133,383.72 : 2,944,810.86 = 1,228,326.44 : x - Step 2: Convert to fraction form
2,133,383.72/2,944,810.86 = 1,228,326.44/x - Step 3: Cross multiply
2,133,383.72x = 2,944,810.86 × 1,228,326.44 - Step 4: Simplify right side
2,133,383.72x = 3,617,189,040,137.14 - Step 5: Solve for x
x = 3,617,189,040,137.14/2,133,383.72 - Step 6: Final answer
x = 1,695,517.32
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1.5x scale
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.