Finding the Fourth Proportional to 1,530,357.70, 2,292,912.15 and 729,915.70
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Solution
The fourth proportional to 1,530,357.70, 2,292,912.15 and 729,915.70 is: 1,093,621.82
Step by Step Solution
- Step 1: Write the proportion equation
1,530,357.70 : 2,292,912.15 = 729,915.70 : x - Step 2: Convert to fraction form
1,530,357.70/2,292,912.15 = 729,915.70/x - Step 3: Cross multiply
1,530,357.70x = 2,292,912.15 × 729,915.70 - Step 4: Simplify right side
1,530,357.70x = 1,673,632,577,005.76 - Step 5: Solve for x
x = 1,673,632,577,005.76/1,530,357.70 - Step 6: Final answer
x = 1,093,621.82
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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.