Finding the Fourth Proportional to 2,852,821.71, 3,936,991.50 and 1,563,661.80
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Solution
The fourth proportional to 2,852,821.71, 3,936,991.50 and 1,563,661.80 is: 2,157,906.75
Step by Step Solution
- Step 1: Write the proportion equation
2,852,821.71 : 3,936,991.50 = 1,563,661.80 : x - Step 2: Convert to fraction form
2,852,821.71/3,936,991.50 = 1,563,661.80/x - Step 3: Cross multiply
2,852,821.71x = 3,936,991.50 × 1,563,661.80 - Step 4: Simplify right side
2,852,821.71x = 6,156,123,215,474.70 - Step 5: Solve for x
x = 6,156,123,215,474.70/2,852,821.71 - Step 6: Final answer
x = 2,157,906.75
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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.