Finding the Fourth Proportional to 4,486,798.97, 6,728,786.81 and 1,453,461.05
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Solution
The fourth proportional to 4,486,798.97, 6,728,786.81 and 1,453,461.05 is: 2,179,734.29
Step by Step Solution
- Step 1: Write the proportion equation
4,486,798.97 : 6,728,786.81 = 1,453,461.05 : x - Step 2: Convert to fraction form
4,486,798.97/6,728,786.81 = 1,453,461.05/x - Step 3: Cross multiply
4,486,798.97x = 6,728,786.81 × 1,453,461.05 - Step 4: Simplify right side
4,486,798.97x = 9,780,029,551,643.41 - Step 5: Solve for x
x = 9,780,029,551,643.41/4,486,798.97 - Step 6: Final answer
x = 2,179,734.29
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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.