Finding the Fourth Proportional to 3,909,628.96, 5,392,089.21 and 2,751,907.70
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Solution
The fourth proportional to 3,909,628.96, 5,392,089.21 and 2,751,907.70 is: 3,795,381.09
Step by Step Solution
- Step 1: Write the proportion equation
3,909,628.96 : 5,392,089.21 = 2,751,907.70 : x - Step 2: Convert to fraction form
3,909,628.96/5,392,089.21 = 2,751,907.70/x - Step 3: Cross multiply
3,909,628.96x = 5,392,089.21 × 2,751,907.70 - Step 4: Simplify right side
3,909,628.96x = 14,838,531,816,085.92 - Step 5: Solve for x
x = 14,838,531,816,085.92/3,909,628.96 - Step 6: Final answer
x = 3,795,381.09
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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.