Finding the Fourth Proportional to 4,979,822.79, 6,872,448.39 and 3,046,453.95
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Solution
The fourth proportional to 4,979,822.79, 6,872,448.39 and 3,046,453.95 is: 4,204,285.66
Step by Step Solution
- Step 1: Write the proportion equation
4,979,822.79 : 6,872,448.39 = 3,046,453.95 : x - Step 2: Convert to fraction form
4,979,822.79/6,872,448.39 = 3,046,453.95/x - Step 3: Cross multiply
4,979,822.79x = 6,872,448.39 × 3,046,453.95 - Step 4: Simplify right side
4,979,822.79x = 20,936,597,543,886.64 - Step 5: Solve for x
x = 20,936,597,543,886.64/4,979,822.79 - 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.