Finding the Fourth Proportional to 4,126,754.40, 6,191,006.40 and 1,247,884.80
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Solution
The fourth proportional to 4,126,754.40, 6,191,006.40 and 1,247,884.80 is: 1,872,091.73
Step by Step Solution
- Step 1: Write the proportion equation
4,126,754.40 : 6,191,006.40 = 1,247,884.80 : x - Step 2: Convert to fraction form
4,126,754.40/6,191,006.40 = 1,247,884.80/x - Step 3: Cross multiply
4,126,754.40x = 6,191,006.40 × 1,247,884.80 - Step 4: Simplify right side
4,126,754.40x = 7,725,662,783,262.72 - Step 5: Solve for x
x = 7,725,662,783,262.72/4,126,754.40 - Step 6: Final answer
x = 1,872,091.73
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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.