Finding the Fourth Proportional to 1,940,257.88, 2,658,165.39 and 1,867,531.94
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Solution
The fourth proportional to 1,940,257.88, 2,658,165.39 and 1,867,531.94 is: 2,558,530.39
Step by Step Solution
- Step 1: Write the proportion equation
1,940,257.88 : 2,658,165.39 = 1,867,531.94 : x - Step 2: Convert to fraction form
1,940,257.88/2,658,165.39 = 1,867,531.94/x - Step 3: Cross multiply
1,940,257.88x = 2,658,165.39 × 1,867,531.94 - Step 4: Simplify right side
1,940,257.88x = 4,964,208,744,999.07 - Step 5: Solve for x
x = 4,964,208,744,999.07/1,940,257.88 - Step 6: Final answer
x = 2,558,530.39
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.