Finding the Fourth Proportional to 4,749,761.58, 7,107,824.25 and 2,953,490.94
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Solution
The fourth proportional to 4,749,761.58, 7,107,824.25 and 2,953,490.94 is: 4,419,778.59
Step by Step Solution
- Step 1: Write the proportion equation
4,749,761.58 : 7,107,824.25 = 2,953,490.94 : x - Step 2: Convert to fraction form
4,749,761.58/7,107,824.25 = 2,953,490.94/x - Step 3: Cross multiply
4,749,761.58x = 7,107,824.25 × 2,953,490.94 - Step 4: Simplify right side
4,749,761.58x = 20,992,894,525,487.29 - Step 5: Solve for x
x = 20,992,894,525,487.29/4,749,761.58 - Step 6: Final answer
x = 4,419,778.59
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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.