Finding the Fourth Proportional to 4,751,541.19, 6,562,539.37 and 3,220,991.11
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Solution
The fourth proportional to 4,751,541.19, 6,562,539.37 and 3,220,991.11 is: 4,448,636.79
Step by Step Solution
- Step 1: Write the proportion equation
4,751,541.19 : 6,562,539.37 = 3,220,991.11 : x - Step 2: Convert to fraction form
4,751,541.19/6,562,539.37 = 3,220,991.11/x - Step 3: Cross multiply
4,751,541.19x = 6,562,539.37 × 3,220,991.11 - Step 4: Simplify right side
4,751,541.19x = 21,137,880,969,795 - Step 5: Solve for x
x = 21,137,880,969,795/4,751,541.19 - Step 6: Final answer
x = 4,448,636.79
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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.