Finding the Fourth Proportional to 10,460,785.80, 15,691,178.70 and 3,726,769.80
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Solution
The fourth proportional to 10,460,785.80, 15,691,178.70 and 3,726,769.80 is: 5,590,154.70
Step by Step Solution
- Step 1: Write the proportion equation
10,460,785.80 : 15,691,178.70 = 3,726,769.80 : x - Step 2: Convert to fraction form
10,460,785.80/15,691,178.70 = 3,726,769.80/x - Step 3: Cross multiply
10,460,785.80x = 15,691,178.70 × 3,726,769.80 - Step 4: Simplify right side
10,460,785.80x = 58,477,410,905,563.26 - Step 5: Solve for x
x = 58,477,410,905,563.26/10,460,785.80 - Step 6: Final answer
x = 5,590,154.70
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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.