Finding the Fourth Proportional to 5,729,122.99, 7,906,031.95 and 3,150,804.70
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Solution
The fourth proportional to 5,729,122.99, 7,906,031.95 and 3,150,804.70 is: 4,348,023.71
Step by Step Solution
- Step 1: Write the proportion equation
5,729,122.99 : 7,906,031.95 = 3,150,804.70 : x - Step 2: Convert to fraction form
5,729,122.99/7,906,031.95 = 3,150,804.70/x - Step 3: Cross multiply
5,729,122.99x = 7,906,031.95 × 3,150,804.70 - Step 4: Simplify right side
5,729,122.99x = 24,910,362,571,125.98 - Step 5: Solve for x
x = 24,910,362,571,125.98/5,729,122.99 - Step 6: Final answer
x = 4,348,023.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.