Finding the Fourth Proportional to 2,764,906.48, 3,815,588.92 and 1,541,289.70
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Solution
The fourth proportional to 2,764,906.48, 3,815,588.92 and 1,541,289.70 is: 2,126,989.80
Step by Step Solution
- Step 1: Write the proportion equation
2,764,906.48 : 3,815,588.92 = 1,541,289.70 : x - Step 2: Convert to fraction form
2,764,906.48/3,815,588.92 = 1,541,289.70/x - Step 3: Cross multiply
2,764,906.48x = 3,815,588.92 × 1,541,289.70 - Step 4: Simplify right side
2,764,906.48x = 5,880,927,882,752.18 - Step 5: Solve for x
x = 5,880,927,882,752.18/2,764,906.48 - Step 6: Final answer
x = 2,126,989.80
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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.