Finding the Fourth Proportional to 4,798,122.78, 7,197,556.02 and 1,603,260.24
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Solution
The fourth proportional to 4,798,122.78, 7,197,556.02 and 1,603,260.24 is: 2,405,014.60
Step by Step Solution
- Step 1: Write the proportion equation
4,798,122.78 : 7,197,556.02 = 1,603,260.24 : x - Step 2: Convert to fraction form
4,798,122.78/7,197,556.02 = 1,603,260.24/x - Step 3: Cross multiply
4,798,122.78x = 7,197,556.02 × 1,603,260.24 - Step 4: Simplify right side
4,798,122.78x = 11,539,555,359,035.58 - Step 5: Solve for x
x = 11,539,555,359,035.58/4,798,122.78 - Step 6: Final answer
x = 2,405,014.60
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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.