Finding the Fourth Proportional to 4,968,928.19, 7,448,077.83 and 2,269,207.91
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Solution
The fourth proportional to 4,968,928.19, 7,448,077.83 and 2,269,207.91 is: 3,401,384.86
Step by Step Solution
- Step 1: Write the proportion equation
4,968,928.19 : 7,448,077.83 = 2,269,207.91 : x - Step 2: Convert to fraction form
4,968,928.19/7,448,077.83 = 2,269,207.91/x - Step 3: Cross multiply
4,968,928.19x = 7,448,077.83 × 2,269,207.91 - Step 4: Simplify right side
4,968,928.19x = 16,901,237,126,131.64 - Step 5: Solve for x
x = 16,901,237,126,131.64/4,968,928.19 - Step 6: Final answer
x = 3,401,384.86
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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.