Finding the Fourth Proportional to 5,240,601.97, 7,232,361.06 and 3,175,798.09
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Solution
The fourth proportional to 5,240,601.97, 7,232,361.06 and 3,175,798.09 is: 4,382,801.55
Step by Step Solution
- Step 1: Write the proportion equation
5,240,601.97 : 7,232,361.06 = 3,175,798.09 : x - Step 2: Convert to fraction form
5,240,601.97/7,232,361.06 = 3,175,798.09/x - Step 3: Cross multiply
5,240,601.97x = 7,232,361.06 × 3,175,798.09 - Step 4: Simplify right side
5,240,601.97x = 22,968,518,440,538.37 - Step 5: Solve for x
x = 22,968,518,440,538.37/5,240,601.97 - Step 6: Final answer
x = 4,382,801.55
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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.