Finding the Fourth Proportional to 6,720,715.49, 10,078,293.97 and 2,108,163.21
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Solution
The fourth proportional to 6,720,715.49, 10,078,293.97 and 2,108,163.21 is: 3,161,373.01
Step by Step Solution
- Step 1: Write the proportion equation
6,720,715.49 : 10,078,293.97 = 2,108,163.21 : x - Step 2: Convert to fraction form
6,720,715.49/10,078,293.97 = 2,108,163.21/x - Step 3: Cross multiply
6,720,715.49x = 10,078,293.97 × 2,108,163.21 - Step 4: Simplify right side
6,720,715.49x = 21,246,688,567,118.84 - Step 5: Solve for x
x = 21,246,688,567,118.84/6,720,715.49 - Step 6: Final answer
x = 3,161,373.01
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1.5x scale
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.