Finding the Fourth Proportional to 3,783,510.94, 5,221,202.08 and 2,064,660.70
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Solution
The fourth proportional to 3,783,510.94, 5,221,202.08 and 2,064,660.70 is: 2,849,208.29
Step by Step Solution
- Step 1: Write the proportion equation
3,783,510.94 : 5,221,202.08 = 2,064,660.70 : x - Step 2: Convert to fraction form
3,783,510.94/5,221,202.08 = 2,064,660.70/x - Step 3: Cross multiply
3,783,510.94x = 5,221,202.08 × 2,064,660.70 - Step 4: Simplify right side
3,783,510.94x = 10,780,010,741,334.26 - Step 5: Solve for x
x = 10,780,010,741,334.26/3,783,510.94 - Step 6: Final answer
x = 2,849,208.29
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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.