Finding the Fourth Proportional to 6,339,943.17, 8,749,121.58 and 3,623,747.49
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Solution
The fourth proportional to 6,339,943.17, 8,749,121.58 and 3,623,747.49 is: 5,000,771.54
Step by Step Solution
- Step 1: Write the proportion equation
6,339,943.17 : 8,749,121.58 = 3,623,747.49 : x - Step 2: Convert to fraction form
6,339,943.17/8,749,121.58 = 3,623,747.49/x - Step 3: Cross multiply
6,339,943.17x = 8,749,121.58 × 3,623,747.49 - Step 4: Simplify right side
6,339,943.17x = 31,704,607,365,229.84 - Step 5: Solve for x
x = 31,704,607,365,229.84/6,339,943.17 - Step 6: Final answer
x = 5,000,771.54
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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.