Finding the Fourth Proportional to 1,694,765.12, 2,551,310.01 and 1,543,931.58
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Solution
The fourth proportional to 1,694,765.12, 2,551,310.01 and 1,543,931.58 is: 2,324,244.26
Step by Step Solution
- Step 1: Write the proportion equation
1,694,765.12 : 2,551,310.01 = 1,543,931.58 : x - Step 2: Convert to fraction form
1,694,765.12/2,551,310.01 = 1,543,931.58/x - Step 3: Cross multiply
1,694,765.12x = 2,551,310.01 × 1,543,931.58 - Step 4: Simplify right side
1,694,765.12x = 3,939,048,091,031.45 - Step 5: Solve for x
x = 3,939,048,091,031.45/1,694,765.12 - Step 6: Final answer
x = 2,324,244.26
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.