Finding the Fourth Proportional to 5,124,738.16, 7,685,554.47 and 2,694,582.10
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Solution
The fourth proportional to 5,124,738.16, 7,685,554.47 and 2,694,582.10 is: 4,041,056.71
Step by Step Solution
- Step 1: Write the proportion equation
5,124,738.16 : 7,685,554.47 = 2,694,582.10 : x - Step 2: Convert to fraction form
5,124,738.16/7,685,554.47 = 2,694,582.10/x - Step 3: Cross multiply
5,124,738.16x = 7,685,554.47 × 2,694,582.10 - Step 4: Simplify right side
5,124,738.16x = 20,709,357,503,436.99 - Step 5: Solve for x
x = 20,709,357,503,436.99/5,124,738.16 - Step 6: Final answer
x = 4,041,056.71
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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.