Finding the Fourth Proportional to 2,789,581.38, 4,180,376.69 and 1,589,024.99
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Solution
The fourth proportional to 2,789,581.38, 4,180,376.69 and 1,589,024.99 is: 2,381,261.61
Step by Step Solution
- Step 1: Write the proportion equation
2,789,581.38 : 4,180,376.69 = 1,589,024.99 : x - Step 2: Convert to fraction form
2,789,581.38/4,180,376.69 = 1,589,024.99/x - Step 3: Cross multiply
2,789,581.38x = 4,180,376.69 × 1,589,024.99 - Step 4: Simplify right side
2,789,581.38x = 6,642,723,036,488.14 - Step 5: Solve for x
x = 6,642,723,036,488.14/2,789,581.38 - Step 6: Final answer
x = 2,381,261.61
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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.