Finding the Fourth Proportional to 3,948,649.97, 5,923,336.41 and 1,108,742.99
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Solution
The fourth proportional to 3,948,649.97, 5,923,336.41 and 1,108,742.99 is: 1,663,215.97
Step by Step Solution
- Step 1: Write the proportion equation
3,948,649.97 : 5,923,336.41 = 1,108,742.99 : x - Step 2: Convert to fraction form
3,948,649.97/5,923,336.41 = 1,108,742.99/x - Step 3: Cross multiply
3,948,649.97x = 5,923,336.41 × 1,108,742.99 - Step 4: Simplify right side
3,948,649.97x = 6,567,457,692,382.59 - Step 5: Solve for x
x = 6,567,457,692,382.59/3,948,649.97 - Step 6: Final answer
x = 1,663,215.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.