Finding the Fourth Proportional to 5,791,013.60, 8,687,557.20 and 2,425,560.80
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Solution
The fourth proportional to 5,791,013.60, 8,687,557.20 and 2,425,560.80 is: 3,638,775.46
Step by Step Solution
- Step 1: Write the proportion equation
5,791,013.60 : 8,687,557.20 = 2,425,560.80 : x - Step 2: Convert to fraction form
5,791,013.60/8,687,557.20 = 2,425,560.80/x - Step 3: Cross multiply
5,791,013.60x = 8,687,557.20 × 2,425,560.80 - Step 4: Simplify right side
5,791,013.60x = 21,072,198,192,077.76 - Step 5: Solve for x
x = 21,072,198,192,077.76/5,791,013.60 - Step 6: Final answer
x = 3,638,775.46
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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.