Finding the Fourth Proportional to 2,402,446.05, 3,603,669.08 and 2,141,172.45
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Solution
The fourth proportional to 2,402,446.05, 3,603,669.08 and 2,141,172.45 is: 3,211,758.68
Step by Step Solution
- Step 1: Write the proportion equation
2,402,446.05 : 3,603,669.08 = 2,141,172.45 : x - Step 2: Convert to fraction form
2,402,446.05/3,603,669.08 = 2,141,172.45/x - Step 3: Cross multiply
2,402,446.05x = 3,603,669.08 × 2,141,172.45 - Step 4: Simplify right side
2,402,446.05x = 7,716,076,942,306.99 - Step 5: Solve for x
x = 7,716,076,942,306.99/2,402,446.05 - Step 6: Final answer
x = 3,211,758.68
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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.