Finding the Fourth Proportional to 6,349,132.20, 8,761,866.72 and 3,448,579.70
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Solution
The fourth proportional to 6,349,132.20, 8,761,866.72 and 3,448,579.70 is: 4,759,074.90
Step by Step Solution
- Step 1: Write the proportion equation
6,349,132.20 : 8,761,866.72 = 3,448,579.70 : x - Step 2: Convert to fraction form
6,349,132.20/8,761,866.72 = 3,448,579.70/x - Step 3: Cross multiply
6,349,132.20x = 8,761,866.72 × 3,448,579.70 - Step 4: Simplify right side
6,349,132.20x = 30,215,995,704,697.59 - Step 5: Solve for x
x = 30,215,995,704,697.59/6,349,132.20 - Step 6: Final answer
x = 4,759,074.90
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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.