Finding the Fourth Proportional to 1,939,272.57, 2,676,141.28 and 1,056,201.66
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Solution
The fourth proportional to 1,939,272.57, 2,676,141.28 and 1,056,201.66 is: 1,457,528.41
Step by Step Solution
- Step 1: Write the proportion equation
1,939,272.57 : 2,676,141.28 = 1,056,201.66 : x - Step 2: Convert to fraction form
1,939,272.57/2,676,141.28 = 1,056,201.66/x - Step 3: Cross multiply
1,939,272.57x = 2,676,141.28 × 1,056,201.66 - Step 4: Simplify right side
1,939,272.57x = 2,826,544,863,650.78 - Step 5: Solve for x
x = 2,826,544,863,650.78/1,939,272.57 - Step 6: Final answer
x = 1,457,528.41
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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.