Finding the Fourth Proportional to 3,727,783.40, 5,582,707.02 and 2,125,488.78
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Solution
The fourth proportional to 3,727,783.40, 5,582,707.02 and 2,125,488.78 is: 3,183,119.80
Step by Step Solution
- Step 1: Write the proportion equation
3,727,783.40 : 5,582,707.02 = 2,125,488.78 : x - Step 2: Convert to fraction form
3,727,783.40/5,582,707.02 = 2,125,488.78/x - Step 3: Cross multiply
3,727,783.40x = 5,582,707.02 × 2,125,488.78 - Step 4: Simplify right side
3,727,783.40x = 11,865,981,133,037.23 - Step 5: Solve for x
x = 11,865,981,133,037.23/3,727,783.40 - Step 6: Final answer
x = 3,183,119.80
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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.