Finding the Fourth Proportional to 6,339,938.67, 8,749,115.37 and 3,623,742.99
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Solution
The fourth proportional to 6,339,938.67, 8,749,115.37 and 3,623,742.99 is: 5,000,765.33
Step by Step Solution
- Step 1: Write the proportion equation
6,339,938.67 : 8,749,115.37 = 3,623,742.99 : x - Step 2: Convert to fraction form
6,339,938.67/8,749,115.37 = 3,623,742.99/x - Step 3: Cross multiply
6,339,938.67x = 8,749,115.37 × 3,623,742.99 - Step 4: Simplify right side
6,339,938.67x = 31,704,545,490,738.75 - Step 5: Solve for x
x = 31,704,545,490,738.75/6,339,938.67 - Step 6: Final answer
x = 5,000,765.33
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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.