Finding the Fourth Proportional to 2,338,519.86, 3,229,385.99 and 2,211,153.98
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Solution
The fourth proportional to 2,338,519.86, 3,229,385.99 and 2,211,153.98 is: 3,053,499.69
Step by Step Solution
- Step 1: Write the proportion equation
2,338,519.86 : 3,229,385.99 = 2,211,153.98 : x - Step 2: Convert to fraction form
2,338,519.86/3,229,385.99 = 2,211,153.98/x - Step 3: Cross multiply
2,338,519.86x = 3,229,385.99 × 2,211,153.98 - Step 4: Simplify right side
2,338,519.86x = 7,140,669,657,542.04 - Step 5: Solve for x
x = 7,140,669,657,542.04/2,338,519.86 - Step 6: Final answer
x = 3,053,499.69
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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.