Finding the Fourth Proportional to 1,869,082.74, 2,803,623.81 and 449,138.82
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Solution
The fourth proportional to 1,869,082.74, 2,803,623.81 and 449,138.82 is: 673,708.16
Step by Step Solution
- Step 1: Write the proportion equation
1,869,082.74 : 2,803,623.81 = 449,138.82 : x - Step 2: Convert to fraction form
1,869,082.74/2,803,623.81 = 449,138.82/x - Step 3: Cross multiply
1,869,082.74x = 2,803,623.81 × 449,138.82 - Step 4: Simplify right side
1,869,082.74x = 1,259,216,289,747.30 - Step 5: Solve for x
x = 1,259,216,289,747.30/1,869,082.74 - Step 6: Final answer
x = 673,708.16
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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.