Finding the Fourth Proportional to 2,910,859.14, 4,345,821.79 and 2,224,152.06
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Solution
The fourth proportional to 2,910,859.14, 4,345,821.79 and 2,224,152.06 is: 3,320,589.57
Step by Step Solution
- Step 1: Write the proportion equation
2,910,859.14 : 4,345,821.79 = 2,224,152.06 : x - Step 2: Convert to fraction form
2,910,859.14/4,345,821.79 = 2,224,152.06/x - Step 3: Cross multiply
2,910,859.14x = 4,345,821.79 × 2,224,152.06 - Step 4: Simplify right side
2,910,859.14x = 9,665,768,486,621.39 - Step 5: Solve for x
x = 9,665,768,486,621.39/2,910,859.14 - Step 6: Final answer
x = 3,320,589.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.