Finding the Fourth Proportional to 4,076,991.63, 6,115,488.66 and 1,198,358.96
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Solution
The fourth proportional to 4,076,991.63, 6,115,488.66 and 1,198,358.96 is: 1,797,538.79
Step by Step Solution
- Step 1: Write the proportion equation
4,076,991.63 : 6,115,488.66 = 1,198,358.96 : x - Step 2: Convert to fraction form
4,076,991.63/6,115,488.66 = 1,198,358.96/x - Step 3: Cross multiply
4,076,991.63x = 6,115,488.66 × 1,198,358.96 - Step 4: Simplify right side
4,076,991.63x = 7,328,550,599,911.95 - Step 5: Solve for x
x = 7,328,550,599,911.95/4,076,991.63 - Step 6: Final answer
x = 1,797,538.79
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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.