Finding the Fourth Proportional to 7,531,289.70, 11,296,934.55 and 2,413,709.70
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Solution
The fourth proportional to 7,531,289.70, 11,296,934.55 and 2,413,709.70 is: 3,620,564.55
Step by Step Solution
- Step 1: Write the proportion equation
7,531,289.70 : 11,296,934.55 = 2,413,709.70 : x - Step 2: Convert to fraction form
7,531,289.70/11,296,934.55 = 2,413,709.70/x - Step 3: Cross multiply
7,531,289.70x = 11,296,934.55 × 2,413,709.70 - Step 4: Simplify right side
7,531,289.70x = 27,267,520,503,600.14 - Step 5: Solve for x
x = 27,267,520,503,600.14/7,531,289.70 - Step 6: Final answer
x = 3,620,564.55
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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.