Finding the Fourth Proportional to 1,368,932.74, 2,053,592.07 and 422,380.42
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Solution
The fourth proportional to 1,368,932.74, 2,053,592.07 and 422,380.42 is: 633,630.17
Step by Step Solution
- Step 1: Write the proportion equation
1,368,932.74 : 2,053,592.07 = 422,380.42 : x - Step 2: Convert to fraction form
1,368,932.74/2,053,592.07 = 422,380.42/x - Step 3: Cross multiply
1,368,932.74x = 2,053,592.07 × 422,380.42 - Step 4: Simplify right side
1,368,932.74x = 867,397,081,035.27 - Step 5: Solve for x
x = 867,397,081,035.27/1,368,932.74 - Step 6: Final answer
x = 633,630.17
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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.