Finding the Fourth Proportional to 2,398,491.75, 3,309,927.27 and 1,310,763.84
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Solution
The fourth proportional to 2,398,491.75, 3,309,927.27 and 1,310,763.84 is: 1,808,858.83
Step by Step Solution
- Step 1: Write the proportion equation
2,398,491.75 : 3,309,927.27 = 1,310,763.84 : x - Step 2: Convert to fraction form
2,398,491.75/3,309,927.27 = 1,310,763.84/x - Step 3: Cross multiply
2,398,491.75x = 3,309,927.27 × 1,310,763.84 - Step 4: Simplify right side
2,398,491.75x = 4,338,532,978,545.92 - Step 5: Solve for x
x = 4,338,532,978,545.92/2,398,491.75 - Step 6: Final answer
x = 1,808,858.83
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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.