Finding the Fourth Proportional to 6,339,935.67, 8,749,111.23 and 3,623,739.99
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Solution
The fourth proportional to 6,339,935.67, 8,749,111.23 and 3,623,739.99 is: 5,000,761.19
Step by Step Solution
- Step 1: Write the proportion equation
6,339,935.67 : 8,749,111.23 = 3,623,739.99 : x - Step 2: Convert to fraction form
6,339,935.67/8,749,111.23 = 3,623,739.99/x - Step 3: Cross multiply
6,339,935.67x = 8,749,111.23 × 3,623,739.99 - Step 4: Simplify right side
6,339,935.67x = 31,704,504,241,109.09 - Step 5: Solve for x
x = 31,704,504,241,109.09/6,339,935.67 - Step 6: Final answer
x = 5,000,761.19
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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.