Finding the Fourth Proportional to 1,652,343.44, 2,278,948.38 and 1,195,172.96
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Solution
The fourth proportional to 1,652,343.44, 2,278,948.38 and 1,195,172.96 is: 1,648,408.81
Step by Step Solution
- Step 1: Write the proportion equation
1,652,343.44 : 2,278,948.38 = 1,195,172.96 : x - Step 2: Convert to fraction form
1,652,343.44/2,278,948.38 = 1,195,172.96/x - Step 3: Cross multiply
1,652,343.44x = 2,278,948.38 × 1,195,172.96 - Step 4: Simplify right side
1,652,343.44x = 2,723,737,481,011.80 - Step 5: Solve for x
x = 2,723,737,481,011.80/1,652,343.44 - Step 6: Final answer
x = 1,648,408.81
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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.