Finding the Fourth Proportional to 5,614,921.11, 7,748,949.87 and 3,166,638.87
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Solution
The fourth proportional to 5,614,921.11, 7,748,949.87 and 3,166,638.87 is: 4,370,163.96
Step by Step Solution
- Step 1: Write the proportion equation
5,614,921.11 : 7,748,949.87 = 3,166,638.87 : x - Step 2: Convert to fraction form
5,614,921.11/7,748,949.87 = 3,166,638.87/x - Step 3: Cross multiply
5,614,921.11x = 7,748,949.87 × 3,166,638.87 - Step 4: Simplify right side
5,614,921.11x = 24,538,125,860,023.45 - Step 5: Solve for x
x = 24,538,125,860,023.45/5,614,921.11 - Step 6: Final answer
x = 4,370,163.96
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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.