Finding the Fourth Proportional to 2,151,679.43, 2,969,337.03 and 1,184,843.99
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Solution
The fourth proportional to 2,151,679.43, 2,969,337.03 and 1,184,843.99 is: 1,635,095.40
Step by Step Solution
- Step 1: Write the proportion equation
2,151,679.43 : 2,969,337.03 = 1,184,843.99 : x - Step 2: Convert to fraction form
2,151,679.43/2,969,337.03 = 1,184,843.99/x - Step 3: Cross multiply
2,151,679.43x = 2,969,337.03 × 1,184,843.99 - Step 4: Simplify right side
2,151,679.43x = 3,518,201,134,279.95 - Step 5: Solve for x
x = 3,518,201,134,279.95/2,151,679.43 - Step 6: Final answer
x = 1,635,095.40
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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.