Finding the Fourth Proportional to 1,519,044.92, 2,279,688.82 and 720,329.14
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Solution
The fourth proportional to 1,519,044.92, 2,279,688.82 and 720,329.14 is: 1,081,025.50
Step by Step Solution
- Step 1: Write the proportion equation
1,519,044.92 : 2,279,688.82 = 720,329.14 : x - Step 2: Convert to fraction form
1,519,044.92/2,279,688.82 = 720,329.14/x - Step 3: Cross multiply
1,519,044.92x = 2,279,688.82 × 720,329.14 - Step 4: Simplify right side
1,519,044.92x = 1,642,126,287,178.21 - Step 5: Solve for x
x = 1,642,126,287,178.21/1,519,044.92 - Step 6: Final answer
x = 1,081,025.50
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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.