Finding the Fourth Proportional to 1,940,343.66, 2,658,283.73 and 1,867,618.14
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Solution
The fourth proportional to 1,940,343.66, 2,658,283.73 and 1,867,618.14 is: 2,558,649.28
Step by Step Solution
- Step 1: Write the proportion equation
1,940,343.66 : 2,658,283.73 = 1,867,618.14 : x - Step 2: Convert to fraction form
1,940,343.66/2,658,283.73 = 1,867,618.14/x - Step 3: Cross multiply
1,940,343.66x = 2,658,283.73 × 1,867,618.14 - Step 4: Simplify right side
1,940,343.66x = 4,964,658,906,076.77 - Step 5: Solve for x
x = 4,964,658,906,076.77/1,940,343.66 - Step 6: Final answer
x = 2,558,649.28
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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.