Finding the Fourth Proportional to 2,349,445.12, 3,236,169.76 and 1,659,920.04
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Solution
The fourth proportional to 2,349,445.12, 3,236,169.76 and 1,659,920.04 is: 2,286,404.99
Step by Step Solution
- Step 1: Write the proportion equation
2,349,445.12 : 3,236,169.76 = 1,659,920.04 : x - Step 2: Convert to fraction form
2,349,445.12/3,236,169.76 = 1,659,920.04/x - Step 3: Cross multiply
2,349,445.12x = 3,236,169.76 × 1,659,920.04 - Step 4: Simplify right side
2,349,445.12x = 5,371,783,029,166.39 - Step 5: Solve for x
x = 5,371,783,029,166.39/2,349,445.12 - Step 6: Final answer
x = 2,286,404.99
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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.