Finding the Fourth Proportional to 4,524,124.98, 6,791,021.67 and 1,830,211.20
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Solution
The fourth proportional to 4,524,124.98, 6,791,021.67 and 1,830,211.20 is: 2,747,272.45
Step by Step Solution
- Step 1: Write the proportion equation
4,524,124.98 : 6,791,021.67 = 1,830,211.20 : x - Step 2: Convert to fraction form
4,524,124.98/6,791,021.67 = 1,830,211.20/x - Step 3: Cross multiply
4,524,124.98x = 6,791,021.67 × 1,830,211.20 - Step 4: Simplify right side
4,524,124.98x = 12,429,003,919,876.70 - Step 5: Solve for x
x = 12,429,003,919,876.70/4,524,124.98 - Step 6: Final answer
x = 2,747,272.45
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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.