Finding the Fourth Proportional to 5,127,743.48, 7,077,053.63 and 3,194,626.84
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Solution
The fourth proportional to 5,127,743.48, 7,077,053.63 and 3,194,626.84 is: 4,409,063.28
Step by Step Solution
- Step 1: Write the proportion equation
5,127,743.48 : 7,077,053.63 = 3,194,626.84 : x - Step 2: Convert to fraction form
5,127,743.48/7,077,053.63 = 3,194,626.84/x - Step 3: Cross multiply
5,127,743.48x = 7,077,053.63 × 3,194,626.84 - Step 4: Simplify right side
5,127,743.48x = 22,608,545,464,811.36 - Step 5: Solve for x
x = 22,608,545,464,811.36/5,127,743.48 - Step 6: Final answer
x = 4,409,063.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.