Finding the Fourth Proportional to 1,395,371.70, 2,093,057.55 and 1,376,709.30
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Solution
The fourth proportional to 1,395,371.70, 2,093,057.55 and 1,376,709.30 is: 2,065,063.95
Step by Step Solution
- Step 1: Write the proportion equation
1,395,371.70 : 2,093,057.55 = 1,376,709.30 : x - Step 2: Convert to fraction form
1,395,371.70/2,093,057.55 = 1,376,709.30/x - Step 3: Cross multiply
1,395,371.70x = 2,093,057.55 × 1,376,709.30 - Step 4: Simplify right side
1,395,371.70x = 2,881,531,794,520.22 - Step 5: Solve for x
x = 2,881,531,794,520.22/1,395,371.70 - Step 6: Final answer
x = 2,065,063.95
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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.