Finding the Fourth Proportional to 5,579,513.11, 7,697,527.74 and 3,223,153.49
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Solution
The fourth proportional to 5,579,513.11, 7,697,527.74 and 3,223,153.49 is: 4,446,680.72
Step by Step Solution
- Step 1: Write the proportion equation
5,579,513.11 : 7,697,527.74 = 3,223,153.49 : x - Step 2: Convert to fraction form
5,579,513.11/7,697,527.74 = 3,223,153.49/x - Step 3: Cross multiply
5,579,513.11x = 7,697,527.74 × 3,223,153.49 - Step 4: Simplify right side
5,579,513.11x = 24,810,313,361,065.17 - Step 5: Solve for x
x = 24,810,313,361,065.17/5,579,513.11 - Step 6: Final answer
x = 4,446,680.72
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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.