Finding the Fourth Proportional to 1,478,396.34, 2,217,868.02 and 467,772.70
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Solution
The fourth proportional to 1,478,396.34, 2,217,868.02 and 467,772.70 is: 701,745.59
Step by Step Solution
- Step 1: Write the proportion equation
1,478,396.34 : 2,217,868.02 = 467,772.70 : x - Step 2: Convert to fraction form
1,478,396.34/2,217,868.02 = 467,772.70/x - Step 3: Cross multiply
1,478,396.34x = 2,217,868.02 × 467,772.70 - Step 4: Simplify right side
1,478,396.34x = 1,037,458,111,959.05 - Step 5: Solve for x
x = 1,037,458,111,959.05/1,478,396.34 - Step 6: Final answer
x = 701,745.59
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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.