Finding the Fourth Proportional to 3,797,744.44, 5,240,894.12 and 2,078,970.20
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Solution
The fourth proportional to 3,797,744.44, 5,240,894.12 and 2,078,970.20 is: 2,868,982.59
Step by Step Solution
- Step 1: Write the proportion equation
3,797,744.44 : 5,240,894.12 = 2,078,970.20 : x - Step 2: Convert to fraction form
3,797,744.44/5,240,894.12 = 2,078,970.20/x - Step 3: Cross multiply
3,797,744.44x = 5,240,894.12 × 2,078,970.20 - Step 4: Simplify right side
3,797,744.44x = 10,895,662,696,835.22 - Step 5: Solve for x
x = 10,895,662,696,835.22/3,797,744.44 - Step 6: Final answer
x = 2,868,982.59
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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.