Finding the Fourth Proportional to 6,930,697.24, 9,564,720.94 and 3,990,951
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Solution
The fourth proportional to 6,930,697.24, 9,564,720.94 and 3,990,951 is: 5,507,718.96
Step by Step Solution
- Step 1: Write the proportion equation
6,930,697.24 : 9,564,720.94 = 3,990,951 : x - Step 2: Convert to fraction form
6,930,697.24/9,564,720.94 = 3,990,951/x - Step 3: Cross multiply
6,930,697.24x = 9,564,720.94 × 3,990,951 - Step 4: Simplify right side
6,930,697.24x = 38,172,332,600,213.94 - Step 5: Solve for x
x = 38,172,332,600,213.94/6,930,697.24 - Step 6: Final answer
x = 5,507,718.96
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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.