Finding the Fourth Proportional to 3,322,938.70, 4,981,565.04 and 1,275,068.87
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Solution
The fourth proportional to 3,322,938.70, 4,981,565.04 and 1,275,068.87 is: 1,911,512.39
Step by Step Solution
- Step 1: Write the proportion equation
3,322,938.70 : 4,981,565.04 = 1,275,068.87 : x - Step 2: Convert to fraction form
3,322,938.70/4,981,565.04 = 1,275,068.87/x - Step 3: Cross multiply
3,322,938.70x = 4,981,565.04 × 1,275,068.87 - Step 4: Simplify right side
3,322,938.70x = 6,351,838,481,476.48 - Step 5: Solve for x
x = 6,351,838,481,476.48/3,322,938.70 - Step 6: Final answer
x = 1,911,512.39
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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.