Finding the Fourth Proportional to 2,122,915.44, 3,183,782.05 and 703,082.23
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Solution
The fourth proportional to 2,122,915.44, 3,183,782.05 and 703,082.23 is: 1,054,427.58
Step by Step Solution
- Step 1: Write the proportion equation
2,122,915.44 : 3,183,782.05 = 703,082.23 : x - Step 2: Convert to fraction form
2,122,915.44/3,183,782.05 = 703,082.23/x - Step 3: Cross multiply
2,122,915.44x = 3,183,782.05 × 703,082.23 - Step 4: Simplify right side
2,122,915.44x = 2,238,460,583,547.97 - Step 5: Solve for x
x = 2,238,460,583,547.97/2,122,915.44 - Step 6: Final answer
x = 1,054,427.58
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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.