Finding the Fourth Proportional to 4,979,822.80, 6,872,448.38 and 3,046,453.96
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Solution
The fourth proportional to 4,979,822.80, 6,872,448.38 and 3,046,453.96 is: 4,204,285.66
Step by Step Solution
- Step 1: Write the proportion equation
4,979,822.80 : 6,872,448.38 = 3,046,453.96 : x - Step 2: Convert to fraction form
4,979,822.80/6,872,448.38 = 3,046,453.96/x - Step 3: Cross multiply
4,979,822.80x = 6,872,448.38 × 3,046,453.96 - Step 4: Simplify right side
4,979,822.80x = 20,936,597,582,146.59 - Step 5: Solve for x
x = 20,936,597,582,146.59/4,979,822.80 - Step 6: Final answer
x = 4,204,285.66
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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.