Finding the Fourth Proportional to 5,210,576.87, 7,190,994.98 and 3,278,493.59
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Solution
The fourth proportional to 5,210,576.87, 7,190,994.98 and 3,278,493.59 is: 4,524,572.14
Step by Step Solution
- Step 1: Write the proportion equation
5,210,576.87 : 7,190,994.98 = 3,278,493.59 : x - Step 2: Convert to fraction form
5,210,576.87/7,190,994.98 = 3,278,493.59/x - Step 3: Cross multiply
5,210,576.87x = 7,190,994.98 × 3,278,493.59 - Step 4: Simplify right side
5,210,576.87x = 23,575,630,919,893.44 - Step 5: Solve for x
x = 23,575,630,919,893.44/5,210,576.87 - Step 6: Final answer
x = 4,524,572.14
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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.