Finding the Fourth Proportional to 4,316,076.05, 5,955,761.02 and 2,382,212.06
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Solution
The fourth proportional to 4,316,076.05, 5,955,761.02 and 2,382,212.06 is: 3,287,218.66
Step by Step Solution
- Step 1: Write the proportion equation
4,316,076.05 : 5,955,761.02 = 2,382,212.06 : x - Step 2: Convert to fraction form
4,316,076.05/5,955,761.02 = 2,382,212.06/x - Step 3: Cross multiply
4,316,076.05x = 5,955,761.02 × 2,382,212.06 - Step 4: Simplify right side
4,316,076.05x = 14,187,885,728,321.90 - Step 5: Solve for x
x = 14,187,885,728,321.90/4,316,076.05 - Step 6: Final answer
x = 3,287,218.66
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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.