Finding the Fourth Proportional to 2,789,384.87, 4,182,451.61 and 1,081,532.99
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Solution
The fourth proportional to 2,789,384.87, 4,182,451.61 and 1,081,532.99 is: 1,621,669.14
Step by Step Solution
- Step 1: Write the proportion equation
2,789,384.87 : 4,182,451.61 = 1,081,532.99 : x - Step 2: Convert to fraction form
2,789,384.87/4,182,451.61 = 1,081,532.99/x - Step 3: Cross multiply
2,789,384.87x = 4,182,451.61 × 1,081,532.99 - Step 4: Simplify right side
2,789,384.87x = 4,523,459,377,085.19 - Step 5: Solve for x
x = 4,523,459,377,085.19/2,789,384.87 - Step 6: Final answer
x = 1,621,669.14
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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.