Finding the Fourth Proportional to 5,240,599.97, 7,232,358.30 and 3,175,796.09
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Solution
The fourth proportional to 5,240,599.97, 7,232,358.30 and 3,175,796.09 is: 4,382,798.79
Step by Step Solution
- Step 1: Write the proportion equation
5,240,599.97 : 7,232,358.30 = 3,175,796.09 : x - Step 2: Convert to fraction form
5,240,599.97/7,232,358.30 = 3,175,796.09/x - Step 3: Cross multiply
5,240,599.97x = 7,232,358.30 × 3,175,796.09 - Step 4: Simplify right side
5,240,599.97x = 22,968,495,174,457.25 - Step 5: Solve for x
x = 22,968,495,174,457.25/5,240,599.97 - Step 6: Final answer
x = 4,382,798.79
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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.