Finding the Fourth Proportional to 2,138,934.24, 2,951,729.25 and 1,233,516.24
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Solution
The fourth proportional to 2,138,934.24, 2,951,729.25 and 1,233,516.24 is: 1,702,252.41
Step by Step Solution
- Step 1: Write the proportion equation
2,138,934.24 : 2,951,729.25 = 1,233,516.24 : x - Step 2: Convert to fraction form
2,138,934.24/2,951,729.25 = 1,233,516.24/x - Step 3: Cross multiply
2,138,934.24x = 2,951,729.25 × 1,233,516.24 - Step 4: Simplify right side
2,138,934.24x = 3,641,005,965,958.02 - Step 5: Solve for x
x = 3,641,005,965,958.02/2,138,934.24 - Step 6: Final answer
x = 1,702,252.41
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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.