Finding the Fourth Proportional to 6,339,911.63, 8,749,078.07 and 3,623,715.95
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Solution
The fourth proportional to 6,339,911.63, 8,749,078.07 and 3,623,715.95 is: 5,000,728.02
Step by Step Solution
- Step 1: Write the proportion equation
6,339,911.63 : 8,749,078.07 = 3,623,715.95 : x - Step 2: Convert to fraction form
6,339,911.63/8,749,078.07 = 3,623,715.95/x - Step 3: Cross multiply
6,339,911.63x = 8,749,078.07 × 3,623,715.95 - Step 4: Simplify right side
6,339,911.63x = 31,704,173,688,190.24 - Step 5: Solve for x
x = 31,704,173,688,190.24/6,339,911.63 - Step 6: Final answer
x = 5,000,728.02
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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.