Finding the Fourth Proportional to 3,457,731.97, 5,173,752.60 and 2,172,321.28
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Solution
The fourth proportional to 3,457,731.97, 5,173,752.60 and 2,172,321.28 is: 3,250,411.82
Step by Step Solution
- Step 1: Write the proportion equation
3,457,731.97 : 5,173,752.60 = 2,172,321.28 : x - Step 2: Convert to fraction form
3,457,731.97/5,173,752.60 = 2,172,321.28/x - Step 3: Cross multiply
3,457,731.97x = 5,173,752.60 × 2,172,321.28 - Step 4: Simplify right side
3,457,731.97x = 11,239,052,870,435.33 - Step 5: Solve for x
x = 11,239,052,870,435.33/3,457,731.97 - Step 6: Final answer
x = 3,250,411.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.