Finding the Fourth Proportional to 3,857,827.20, 5,784,991.20 and 1,460,875.20
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Solution
The fourth proportional to 3,857,827.20, 5,784,991.20 and 1,460,875.20 is: 2,190,650.26
Step by Step Solution
- Step 1: Write the proportion equation
3,857,827.20 : 5,784,991.20 = 1,460,875.20 : x - Step 2: Convert to fraction form
3,857,827.20/5,784,991.20 = 1,460,875.20/x - Step 3: Cross multiply
3,857,827.20x = 5,784,991.20 × 1,460,875.20 - Step 4: Simplify right side
3,857,827.20x = 8,451,150,176,298.24 - Step 5: Solve for x
x = 8,451,150,176,298.24/3,857,827.20 - Step 6: Final answer
x = 2,190,650.26
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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.